OpenTechnical

OT-2026-000016240

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000016240) never changes.

Identity and time

Publication numberOT-2026-000016240 · never reused
Internal UUID01a0ae6e-2d11-7fd1-8645-5d0391cba0ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016240
StatusPUBLIC

Content hashes

Canonical text2116c92d4e9739a313e7d65cd7d0c7168870099e1e28be5e95628752661896f5
Markdown5e7302659719925a563a23c2de1e9df4cda24a10c87fe86b063e438fb9e0dad1
PDF
Publication page150d2332b30c08054d091b4b24c9baf34827d1f45e06d911168e8db1067d5fe2
Manifest70bf022fffa4fc2719780160e9962b7ea5fa60a5ba85a99f1528a4176088914e

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
SignaturehYPUTkCPwBFI2ejtnQim7f4FqXpTLAyJO59Dt6MrkFGbHQafv+zB/qjpJcI4OufWhn/VoNSOWk354Qy34hYNBA==
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

2026-09-17T12:03:42.627614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016240
observed 150d2332b30c08054d091b4b24c9baf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.607825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016240/manifest.json
observed 70bf022fffa4fc2719780160e9962b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.589622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016240/publication.md
observed 5e7302659719925a563a23c2de1e9df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:42.569945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016240/publication.txt
observed 2116c92d4e9739a313e7d65cd7d0c716...
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.