OT-2026-000099733
Publication integrity record
Two cup vacuum gripper, two zone face, 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-2026-000099733) never changes.
Identity and time
| Publication number | OT-2026-000099733 · never reused |
|---|---|
| Internal UUID | 01a0aea2-c977-7694-b0fe-6aafca5c07a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:11:39.138466Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000099733 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7cdcfb370b7ca1f577ea18e99ca9a396645df7a76568a21f0b99d5c9ff30400c |
|---|---|
| Markdown | a6a53bf2bca9b0ad08b7f11adfea6eba0587119261e184cdc8424b336cf8075d |
| Publication page | 70cb0f8f34015d6f8583a62f09f266ff0454e3cc47614cd43a9a6b675415e14a |
| Manifest | 5a86b76fa14fcd08aa8ca37752dfb45ec6c4d001c9b492aa81078c248c5200a2 |
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 | xE2Sd/uA86SjZAkY3KQUmVrsttc5YzGTAIcb8zCptQy6AfUVs6zwVi6o2vpLubMBtKjfDWgo2y5TbvY/4Lw8Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-10-11T08:41:18.279206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099733observed 70cb0f8f34015d6f8583a62f09f266ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T08:41:18.143442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099733/manifest.jsonobserved 5a86b76fa14fcd08aa8ca37752dfb45e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:18.043643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099733/publication.mdobserved a6a53bf2bca9b0ad08b7f11adfea6eba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T08:41:17.941493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099733/publication.txtobserved 7cdcfb370b7ca1f577ea18e99ca9a396...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:25.684572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099733observed 70cb0f8f34015d6f8583a62f09f266ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:25.668507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099733/manifest.jsonobserved 5a86b76fa14fcd08aa8ca37752dfb45e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:25.648543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099733/publication.mdobserved a6a53bf2bca9b0ad08b7f11adfea6eba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:23:25.623432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000099733/publication.txtobserved 7cdcfb370b7ca1f577ea18e99ca9a396...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|