OpenTechnical

OT-2026-000029973

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000029973) never changes.

Identity and time

Publication numberOT-2026-000029973 · never reused
Internal UUID01a0ae73-ac48-7afe-8545-2d4a0068385c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029973
StatusPUBLIC

Content hashes

Canonical text5e5067d4cb025d2905a8f02f0f3e6133dc5b38665c9d7eb33b96008cd9a32a65
Markdownc2df764d0f880c1fc52aba36c896d65ddcd805a8726d4773d79904b8fa38565e
PDF
Publication page3675ad2433fb2fb04d69c7f4ec8fadfbbd242a06cea35cd3c5035200d71a023d
Manifestc64a87665e3ce783912548fc500acb2735847ac72b71e4efada16d51d186e875

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
SignatureKCLnX3HBN28crkkPM2/97CZuQLR5jSPooMP3abobukhqDg6Tadh+9kRE9XEopRG3zawOcVmQr7sEAvcvZ9X4Cw==
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

2026-09-17T11:38:41.587665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029973
observed 3675ad2433fb2fb04d69c7f4ec8fadfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.570538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029973/manifest.json
observed c64a87665e3ce783912548fc500acb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.552487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029973/publication.md
observed c2df764d0f880c1fc52aba36c896d65d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.535576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029973/publication.txt
observed 5e5067d4cb025d2905a8f02f0f3e6133...
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.