OT-2026-000078088
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, vented after 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-2026-000078088) never changes.
Identity and time
| Publication number | OT-2026-000078088 · never reused |
|---|---|
| Internal UUID | 01a0ae95-6e8c-7ab7-92ec-8eb61227377f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:03.897850Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078088 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab7fef70c719087e97dbd390025720b45299d92aba921734cf6c2e2606c58e1f |
|---|---|
| Markdown | 4fec7f82cd3f12059c93e0fbac6c3d447093a2e446063786c4bf980dd6647bd9 |
| Publication page | 48123a5d012ed884eb2a58da7956f167fd608cc2ed82d7bda30497919f062975 |
| Manifest | 0ed311f4020cb04fffadee17a56da02fd2a61dbc34ebebd5237eca188e8fc348 |
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 | 8PF/Okck1lN398Jb7G7GvauZ+BjF16ozzd3bsG8WoXoB7sqSYy3L4txmy9g8xfjX5mJFpzCoqyff4Fw6lla2CA== |
| 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
| 2026-09-17T10:06:47.798988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078088observed 48123a5d012ed884eb2a58da7956f167...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:06:47.781051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078088/manifest.jsonobserved 0ed311f4020cb04fffadee17a56da02f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:47.763358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078088/publication.mdobserved 4fec7f82cd3f12059c93e0fbac6c3d44...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:47.743953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078088/publication.txtobserved ab7fef70c719087e97dbd390025720b4...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
| Custody package | Pending Custody packages are produced weekly. |
|---|