OT-2026-000091477
Publication integrity record
Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000091477) never changes.
Identity and time
| Publication number | OT-2026-000091477 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16d-791b-948e-6b1ab55897cc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091477 |
| Status | PUBLIC |
Content hashes
| Canonical text | 183675387977cedccf3e8cffebcf152d4d12af14e1a51a9057dcad76632c6738 |
|---|---|
| Markdown | 33638e7f4b2b3597b264330ea1062851da97108a5d5e900be27bf7dd805dd1e3 |
| Publication page | 8f88a727a91d077c5bbb25bdc052458fb17127d4f171b81f212030780f9720af |
| Manifest | 3dd1b25fc0bc5e6f8276c59bbcb494bdd3d7870183b1b28de00e5353efcdcd99 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | wy5GSaivsr2Smf7OXgEMG9BoztcZeDzottyWj6UVtFiJeAc/5oPVKSsfVyQkM/bBKD/xr1AYAiO8Y7ZyPE56BA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-12T16:41:15.418668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091477observed 8f88a727a91d077c5bbb25bdc052458f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T16:41:15.368865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091477/manifest.jsonobserved 3dd1b25fc0bc5e6f8276c59bbcb494bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:15.269853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091477/publication.mdobserved 33638e7f4b2b3597b264330ea1062851...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:15.205800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091477/publication.txtobserved 183675387977cedccf3e8cffebcf152d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:41:45.503336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091477observed 8f88a727a91d077c5bbb25bdc052458f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:41:45.382671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091477/manifest.jsonobserved 3dd1b25fc0bc5e6f8276c59bbcb494bd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:41:45.259134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091477/publication.mdobserved 33638e7f4b2b3597b264330ea1062851...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T16:41:45.110452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091477/publication.txtobserved 183675387977cedccf3e8cffebcf152d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|