OpenTechnical

OT-2026-000032259

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000032259) never changes.

Identity and time

Publication numberOT-2026-000032259 · never reused
Internal UUID01a0ae74-f7a8-7753-b575-d058530c556f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032259
StatusPUBLIC

Content hashes

Canonical text52d1797fd32cf70ab43e815554a8c27379d7e3e49f0f64536a082ba44f00b9fb
Markdownaa6046184a819398f6b3edef90c58e0b093992f84a797e9b1e9884ce7d979b84
PDF
Publication pageb5c1476efb088a13bebb340b66f193c1b99af817e190feba712fe050c869fd8e
Manifest3bb734d9d18a036869a10c213223309df2dd2b3fc09b1af61a24ad3148a5b42a

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
Signaturel31Or55Umpxm+38eo8FO9F3u+rQCIzp7VoTSXQnCnC+FthaNjl1gr2HrefYQOfl5nqJIKFGjxoToxE1RAsh4BA==
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

2026-09-17T11:34:37.126470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032259
observed b5c1476efb088a13bebb340b66f193c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.109831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032259/manifest.json
observed 3bb734d9d18a036869a10c213223309d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.090904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032259/publication.md
observed aa6046184a819398f6b3edef90c58e0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.072186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032259/publication.txt
observed 52d1797fd32cf70ab43e815554a8c273...
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.