OpenTechnical

OT-2026-000033339

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000033339) never changes.

Identity and time

Publication numberOT-2026-000033339 · never reused
Internal UUID01a0ae75-8980-73e4-be81-e1158c11c9a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033339
StatusPUBLIC

Content hashes

Canonical text90062f00dd9a3aeff54da4bbe408a1d52affa5e78f863fe33d049171c3071535
Markdownf2e342e665a3a81c2d1839dbba652665ad0aaa03aff9d5206fb3d85ead9e1846
PDF
Publication page7089deb544d482e7ba5c90268ba3949de4a93725446b701fa230cc4d3089ef85
Manifestee8822a80eb8bfa5ff9486aa5d9e10fb2b78f019d4d1800dc689adc0aada00f7

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
SignatureXG10FePMjpm+Q011R3k6rXyPPgMbt3QFxYe73uY3ybYQSyRaxViNWLeK+uU4XLxFWoc8/JLiFeEc23aUqWQIDQ==
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

2026-09-17T11:32:05.773633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033339
observed 7089deb544d482e7ba5c90268ba3949d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.753363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033339/manifest.json
observed ee8822a80eb8bfa5ff9486aa5d9e10fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.722436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033339/publication.md
observed f2e342e665a3a81c2d1839dbba652665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:05.699160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033339/publication.txt
observed 90062f00dd9a3aeff54da4bbe408a1d5...
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.