OpenTechnical

OT-2026-000035419

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000035419) never changes.

Identity and time

Publication numberOT-2026-000035419 · never reused
Internal UUID01a0ae76-6a20-7854-9556-28a51693a97c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035419
StatusPUBLIC

Content hashes

Canonical text2898291182a168dc299582498ceb7378982dd68289ee126079340e7a1d282097
Markdownbf4ecd025ee6582f73f7bf60db4d39593876c57cc0655f3d42980786d32a04ae
PDF
Publication page23ff50c6b3ba33b114b3677b59ca8c2232fa90d3c519f4d0e59fd97d3022479f
Manifeste571b654d4bc576ff26c2a3f880059a1b0215d1eecdf9bbb86e3e33a729b1c8d

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
Signature5S/tEZP0MG1wZrXpM9VH6F1ttqg4b6NZqbzqpEUG/0c4wuDw+TUguepnS9VowjInTf9XHcESm/cLUkGizOVaBw==
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

2026-09-17T11:28:43.647555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035419
observed 23ff50c6b3ba33b114b3677b59ca8c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.631461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035419/manifest.json
observed e571b654d4bc576ff26c2a3f880059a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.610887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035419/publication.md
observed bf4ecd025ee6582f73f7bf60db4d3959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:43.592857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035419/publication.txt
observed 2898291182a168dc299582498ceb7378...
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.