OpenTechnical

OT-2026-000037209

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000037209) never changes.

Identity and time

Publication numberOT-2026-000037209 · never reused
Internal UUID01a0ae77-7741-7c3f-923b-bd57a17ec3d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037209
StatusPUBLIC

Content hashes

Canonical text6fb521fae087288d55359474cc016e9e093af6c40e0f375737e122a39111ecdc
Markdown0ff6883c40cee7e4295e721747d4efff62bee051053342c38e620d22d4a13dad
PDF
Publication page83bfd5c599ec77e3a8468142f5db006bfcf618e57b2b6a6877fbe3f609bfca0e
Manifest9fa3b46c8431c1a5511b476cb613b41c6d5f4066269f597ac90616a2d72c1b51

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
SignaturebdvTSNxRUkMAOShC7R4A+JrFfn/VN5MaXgyEEgzI8LSAD92HafYZmJq6DD/Pr7jGr8RpPaQKkaI8L22gJeBHCA==
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

2026-09-17T11:25:05.853891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037209
observed 83bfd5c599ec77e3a8468142f5db006b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.837734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037209/manifest.json
observed 9fa3b46c8431c1a5511b476cb613b41c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.820607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037209/publication.md
observed 0ff6883c40cee7e4295e721747d4efff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:05.803493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037209/publication.txt
observed 6fb521fae087288d55359474cc016e9e...
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.