OpenTechnical

OT-2026-000040455

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two 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-2026-000040455) never changes.

Identity and time

Publication numberOT-2026-000040455 · never reused
Internal UUID01a0ae79-2701-7aab-bcf8-610afb9a0207 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040455
StatusPUBLIC

Content hashes

Canonical text9705ba2fc99c8b9a2fda3c70d1b46e5b097075561a3ae55b16e633605ce91745
Markdown5647a25364902222225526444219c898266eaf0b8e1226bf0e5167df6e6bdf2b
PDF
Publication page8fc31ced2cbf4d6c668f667bfd1d2e78f67cf6b2401c753d3f74421be2da76ab
Manifest6353adb2ea845656396d377c29379f2fd2d7dbb8204b5637d71dae8c2795b531

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
SignatureAJKprrQpAH7H34AykfeMx2c5y2vASskoij2p1qNbc6FzxpGzfOOHzJbySO6tfdyscPE5mbYkz1k6ebed3CaABg==
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

2026-09-17T11:19:29.933725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040455
observed 8fc31ced2cbf4d6c668f667bfd1d2e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.915090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040455/manifest.json
observed 6353adb2ea845656396d377c29379f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.895321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040455/publication.md
observed 5647a25364902222225526444219c898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.876887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040455/publication.txt
observed 9705ba2fc99c8b9a2fda3c70d1b46e5b...
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.