OT-2026-000011715
Publication integrity record
Single cup vacuum gripper, pump fed, pulsed 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-2026-000011715) never changes.
Identity and time
| Publication number | OT-2026-000011715 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-76e1-8e22-9d383f4520b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011715 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6117cbbc03e27be1bd91c311fafdd8da7c2a707b67fdb357ebd4099d9fc8ad3d |
|---|---|
| Markdown | 9bb2e749a9556b6c7631338a7518b7d803792d02d136d30d0ff7646b577150d5 |
| Publication page | 599465dd366b592fd9ba317af25f8a015ccd36c0583334efb8b6ab8ad7ac615b |
| Manifest | 4ff78802d67fba875d83b9071df39ae684344a6ead075232e88ef5bfbaad6a2c |
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 | XozMygvOp7rfzAVRcvMhwUIvZ800kON5MKz/E0cttRjoRPY8QzdqwmYwKNdXwzExFE43ITUeZfsBpGcXtPWICg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-26T08:41:35.088215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011715observed 599465dd366b592fd9ba317af25f8a01...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T08:41:35.036595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011715/manifest.jsonobserved 4ff78802d67fba875d83b9071df39ae6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:34.968546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011715/publication.mdobserved 9bb2e749a9556b6c7631338a7518b7d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T08:41:34.902735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011715/publication.txtobserved 6117cbbc03e27be1bd91c311fafdd8da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:49.842530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011715observed 599465dd366b592fd9ba317af25f8a01...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:49.697068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011715/manifest.jsonobserved 4ff78802d67fba875d83b9071df39ae6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:49.607089Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011715/publication.mdobserved 9bb2e749a9556b6c7631338a7518b7d8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T16:41:49.519909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011715/publication.txtobserved 6117cbbc03e27be1bd91c311fafdd8da...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 |
|---|