OpenTechnical

OT-2026-000076226

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000076226) never changes.

Identity and time

Publication numberOT-2026-000076226 · never reused
Internal UUID01a0ae94-6a6f-701d-b8ab-16378146e3af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076226
StatusPUBLIC

Content hashes

Canonical textd74984ec3ae39f199e0dd862b371a0940b5e1cfb5ccd0d7db27d1fc13e91713a
Markdown29656d4f0679d6cfce68dfb764ea31cf864b9687d7d98c3e4c5368be3dfeaa3e
PDF
Publication page95ea11ce4ea50bdfe0f9a47edd1ac9f6a7eb2cfec92e18f4cac4c3356cb8e8de
Manifest756dbe3e6dc0c0d99d2ff3c45f7913fc1f13629dd95bf2f36be2e89bfc43a152

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
SignaturesEuAtAV+wjnv+a+s2mXwbLmCE2HlsaPuyrHhczDr46CDZ/eagzwZffKQU0fFgXc4J5PH/TdE7gPTR4nqQKRiBg==
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

2026-09-17T10:11:39.189278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076226
observed 95ea11ce4ea50bdfe0f9a47edd1ac9f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:38.547335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076226/manifest.json
observed 756dbe3e6dc0c0d99d2ff3c45f7913fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:38.529973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076226/publication.md
observed 29656d4f0679d6cfce68dfb764ea31cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:38.510250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076226/publication.txt
observed d74984ec3ae39f199e0dd862b371a094...
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.