OpenTechnical

OT-2026-000087450

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, sustained 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-2026-000087450) never changes.

Identity and time

Publication numberOT-2026-000087450 · never reused
Internal UUID01a0ae9a-cd50-7925-8a6a-3a5200b8d105 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087450
StatusPUBLIC

Content hashes

Canonical text9f2065db896652742f7afd9209bd29e513c3b9d02d0d1f027a185eea32a3186d
Markdown9f8019951b7bbc63050c9dd0a6b5ab94ef48c58dc2ce46d755fb154f815219c9
PDF
Publication pagef3a1be9e28f48d73c22939bb8e5a02a71e0f9235acc4ca95b5a02be89bd96407
Manifestca93399c85be954942448227a8171bf914490e91c0e84b0a465443b66764c067

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
Signaturerr+ovbUi/edE7dRpYZdDKVZrsahopEY2qqtf599Hqmi+yBT+euxBUz10JdRAEj7q06V2H6enOpf1mJlodNOHDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:46.487852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087450
observed f3a1be9e28f48d73c22939bb8e5a02a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.471569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087450/manifest.json
observed ca93399c85be954942448227a8171bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.454511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087450/publication.md
observed 9f8019951b7bbc63050c9dd0a6b5ab94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:46.437725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087450/publication.txt
observed 9f2065db896652742f7afd9209bd29e5...
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.