OpenTechnical

OT-2026-000081888

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000081888) never changes.

Identity and time

Publication numberOT-2026-000081888 · never reused
Internal UUID01a0ae97-0f76-7779-82ad-8e795967f36c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081888
StatusPUBLIC

Content hashes

Canonical textb490cc00451ae6bbc30f24f92cf3fb3543ee537544f4274cd99c6d4d88197e09
Markdown7ec98e6e209d86b7de74cf70b1f8f2880642318868f7868592aca85b89ed9800
PDF
Publication page8a1387acbc22302427450ae3ab187f0f783bb542cfad213736741e66a4a790c8
Manifest7ea5dc91546e2332e222a79de8b83e197d4d9cbc77439d0062b35ffdaf479bc7

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
SignatureJzenAGUYazuKTag0mVLaDgLRSNZYYkPTEWePK8rauI+V3nzaBQJhXJz58CiTlIz/jtcjC069KpyfTrE4yVDxBw==
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

2026-09-17T10:01:00.618105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081888
observed 8a1387acbc22302427450ae3ab187f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.601698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081888/manifest.json
observed 7ea5dc91546e2332e222a79de8b83e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.585169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081888/publication.md
observed 7ec98e6e209d86b7de74cf70b1f8f288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:00.567122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081888/publication.txt
observed b490cc00451ae6bbc30f24f92cf3fb35...
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.