OT-2026-000043104
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off 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-2026-000043104) never changes.
Identity and time
| Publication number | OT-2026-000043104 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327a-7118-9123-0bb2cf37099f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043104 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2bfc16dafed8170ada4b9e3a1f84f4a1ab44ce1d5a0b5bf54280b089d1c34863 |
|---|---|
| Markdown | 2dd17ffc12ceea3484f2660979de3b1a7a48406075ebc7a0fe7f54e5c98260d5 |
| Publication page | 9f052ab3059f9f11269c4dda2bec9f0069c22cf34e8d636ad61eb7bc74203239 |
| Manifest | d4e2f91f992abb76b7e93c3b98251b9eeb29491eaf5c5b5d5123fc9dd6ee7fcd |
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 | npicNg4SMM96EZSZuvyk+ovJSPfxzDKv4FZk3XcB3ncJCQzW2sdPhnUclZqz/FPOJyoX+r8Uz82tyn0g5IoVDQ== |
| 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
| 2026-09-17T11:13:31.682351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043104observed 9f052ab3059f9f11269c4dda2bec9f00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:13:31.662012Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043104/manifest.jsonobserved d4e2f91f992abb76b7e93c3b98251b9e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:31.640576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043104/publication.mdobserved 2dd17ffc12ceea3484f2660979de3b1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:13:31.619830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043104/publication.txtobserved 2bfc16dafed8170ada4b9e3a1f84f4a1...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. |
|---|