OT-2026-000089900
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089900) never changes.
Identity and time
| Publication number | OT-2026-000089900 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428d-79f8-9e8e-52a9aff4ffa9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089900 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7788d9b8f75d9453fe6c1c3385326096b72141b371e1df0cbd6d8a4110d27ba3 |
|---|---|
| Markdown | 67a1b777540e8554e8f1e1d4cd7b124060496dc25e80471dc191b5260ee8e0e3 |
| Publication page | c72935473ec07157fb3dc6af6b3373b4abee4d5a14fb6db139a359683773e9cb |
| Manifest | 61d4384d55951a74f6ac6609ed92e447e7433051b8d1d020ee0f8739c3405e45 |
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 | CD/dvRqNKmmTn1gv0fY4UdTo59Sjrswk3/WL0JhqyhbCN+jIAYV2R5O7reWtAEwecpTg2/IsUw80qypR455tCg== |
| 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
| 2026-09-17T09:45:09.991030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089900observed c72935473ec07157fb3dc6af6b3373b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:09.973842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089900/manifest.jsonobserved 61d4384d55951a74f6ac6609ed92e447...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:09.956028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089900/publication.mdobserved 67a1b777540e8554e8f1e1d4cd7b1240...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:09.936442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089900/publication.txtobserved 7788d9b8f75d9453fe6c1c3385326096...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. |
|---|