OpenTechnical

OT-2026-000021310

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000021310) never changes.

Identity and time

Publication numberOT-2026-000021310 · never reused
Internal UUID01a0ae6f-865c-7b5b-9a3a-c80978b664d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021310
StatusPUBLIC

Content hashes

Canonical text8176b7d016444e2b62d0e20aa0cb65f63a525ff12398b653547e9cbf8e4864da
Markdown60bd576be30644e61a26a32cf9a4f2ce8013f83cd71ab261e51f252b5f897eec
PDF
Publication pagea01b49e175a51ca72c9945f9df9f198da8feb4407918fb4ea3f49350ed142101
Manifest1814386d701312793ff6cc58a95da577acd35d98ecaadf016589976e98ec5742

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
SignatureilnuLjyxhAKtMn3qrXRRqdwdP0ZogB637TMtGG/5XjVyZ1g8gHsb4nJhLc0n96F1OY+as3ivjgXwrWWJ938eAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:09.258361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021310
observed a01b49e175a51ca72c9945f9df9f198d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:09.238214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021310/manifest.json
observed 1814386d701312793ff6cc58a95da577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:09.218219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021310/publication.md
observed 60bd576be30644e61a26a32cf9a4f2ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:09.174561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021310/publication.txt
observed 8176b7d016444e2b62d0e20aa0cb65f6...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent