OpenTechnical

OT-2026-000092881

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000092881) never changes.

Identity and time

Publication numberOT-2026-000092881 · never reused
Internal UUID01a0ae9e-090e-7ffd-a72f-dd3df1d310f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092881
StatusPUBLIC

Content hashes

Canonical text49f74709a20643619fcd78a0e974078f15026fbaa1ac68fe9d7c52707174cf9a
Markdown4ecf53f7cb6c0f1eea992e7d56271dcc55a9862d2bd8a5a1cd465205e6e628a9
PDF
Publication pagef766062df70d56985cacb4c44c9f39702b95830a15593dbe2469b3f08974d969
Manifesta56ffb73e25a7c33bd38a43507179e62c2304fd588d92a34b544f6b11d9e5fff

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
SignaturesSu9Ny7BMdHZ+lPcN+zA7Wk0my696HXuLr0+otcVqogYWoX+Y4rWDsWThJqHp+/wMHMn+TtGM/rlKJ+stZ2ACA==
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

2026-09-17T09:39:59.375145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092881
observed f766062df70d56985cacb4c44c9f3970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.357253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092881/manifest.json
observed a56ffb73e25a7c33bd38a43507179e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.340748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092881/publication.md
observed 4ecf53f7cb6c0f1eea992e7d56271dcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:59.323823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092881/publication.txt
observed 49f74709a20643619fcd78a0e974078f...
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.