OpenTechnical

OT-2026-000021224

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000021224) never changes.

Identity and time

Publication numberOT-2026-000021224 · never reused
Internal UUID01a0ae6f-865c-7ebb-8d53-c68facc41c2d · 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-2026-000021224
StatusPUBLIC

Content hashes

Canonical text1538ca100bbef43ea257462bdcb6178006e73b2ea0021e8c7c0cc00176e9823c
Markdown6a22e3bde1114657fdf8062a2fbe40d70f8287f2ac21436636c17480614444b6
PDF
Publication page94b432b75b4a7a7b10a304d73da91b2090f355441e01da68090f2b4ca3bbaa21
Manifest852e4e8118e31b1f199222ae32ad48f5a607f458e7ba6e17a4cd53897357a87c

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
SignatureTffjwoL8QCORtcACMaYrYex/a6wB/6Yd15kGdlJW9tnOKsCTmzIZi+LJffr0SQuKkmxrEuIeN8kx/PvKmm4VDw==
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

2026-09-17T11:55:01.900848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021224
observed 94b432b75b4a7a7b10a304d73da91b20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:01.879224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021224/manifest.json
observed 852e4e8118e31b1f199222ae32ad48f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:01.857598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021224/publication.md
observed 6a22e3bde1114657fdf8062a2fbe40d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:01.831838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021224/publication.txt
observed 1538ca100bbef43ea257462bdcb61780...
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.