OT-2026-000072500
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000072500) never changes.
Identity and time
| Publication number | OT-2026-000072500 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d8-7996-af9e-c5a307ffb419 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072500 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e55d7c685d25fd0072f676a3533dc1b2fab161bae0420296991d76e72105d4a |
|---|---|
| Markdown | 4c5843060916a9795094f4a6eb35a42ea768012fc20df23220f14343fac27016 |
| Publication page | 47fb0fb914ccf40bbaefc7721f87c34999cea19d84243c672d55f516034520de |
| Manifest | b3e143f83533177f5f607c5627a8f0c2781fd85a1d93b7c23b9cbb6d079d5172 |
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 | 16fCrAHFpTABkMLT6M1lJrqoS3EBKYCK2/HafYFd0ZWQW+ZFQjWc8atMVknyMeCK/Yd4PqRLLrInQjVYrW5EDQ== |
| 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
| 2026-09-17T10:22:11.024537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072500observed 47fb0fb914ccf40bbaefc7721f87c349...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:11.006103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072500/manifest.jsonobserved b3e143f83533177f5f607c5627a8f0c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:10.987742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072500/publication.mdobserved 4c5843060916a9795094f4a6eb35a42e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:10.966585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072500/publication.txtobserved 9e55d7c685d25fd0072f676a3533dc1b...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. |
|---|