OpenTechnical

OT-2026-000033487

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three 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-2026-000033487) never changes.

Identity and time

Publication numberOT-2026-000033487 · never reused
Internal UUID01a0ae75-a38e-77df-830a-bbe31078dccb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033487
StatusPUBLIC

Content hashes

Canonical text287947b9928df8b72968a6113f9534b9a84084f340823007c9af674944f6d551
Markdown7af9eb1f95537f535544592e359baf02880e0d013d536177ae5bff0c6ee3b710
PDF
Publication pageb66505b639010f6019f721716805ea65ebd20e9fff87e96d16384cb51a901a12
Manifest7da0dd7a1ffd94f7a920186c29fc245258a2b90e375cc0453c44c866f182a1fe

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
SignaturehSoJrH3HBsFkTGMTxoYGkwfC8vt6NrNjY+WdJ230MO/UHvsvEvhEkRLRc+jQNhtjTMsVFg69J0goRwBUhszPAQ==
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

2026-09-17T11:31:20.033660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033487
observed b66505b639010f6019f721716805ea65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:20.013407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033487/manifest.json
observed 7da0dd7a1ffd94f7a920186c29fc2452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.960902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033487/publication.md
observed 7af9eb1f95537f535544592e359baf02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:19.905511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033487/publication.txt
observed 287947b9928df8b72968a6113f9534b9...
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.