OpenTechnical

OT-2026-000076868

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000076868) never changes.

Identity and time

Publication numberOT-2026-000076868 · never reused
Internal UUID01a0ae94-b070-71ef-9f67-8c1b83590b07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076868
StatusPUBLIC

Content hashes

Canonical textf87718e870fc96c04d4dd109e5561e5e429e41f2e8bb86efb55918cbb6cad382
Markdownd1d5ebf7c47969bd409d36f1d8151f43afe2496644c23881cd9efcd9e84cdfa9
PDF
Publication pagebab4065d8a0bef2aa9b785bf0d5296eb94f6a4efa98d3964f6e302f5c1bfac67
Manifest9d36a4569d4c6c16bfd435d820039c89d4c40dcf7164b34ec8b992e749483f04

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturefkIWJ+2qWTNCHTRU6Lqc1r48HaQQzTu8JYu+ayiSNQccV/SfPcZnJikRC+uWWAKCdaa6HplezBY0cIBtr0jLAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:45.736829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076868
observed bab4065d8a0bef2aa9b785bf0d5296eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.716526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076868/manifest.json
observed 9d36a4569d4c6c16bfd435d820039c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.696910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076868/publication.md
observed d1d5ebf7c47969bd409d36f1d8151f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:45.677091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076868/publication.txt
observed f87718e870fc96c04d4dd109e5561e5e...
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 archivePending 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 packagePending Custody packages are produced weekly.