OpenTechnical

OT-2026-000020935

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000020935) never changes.

Identity and time

Publication numberOT-2026-000020935 · never reused
Internal UUID01a0ae6f-65e4-7947-a8c4-74e63b422ded · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020935
StatusPUBLIC

Content hashes

Canonical text0bcc4001b6783d115e73ed2f758cb4dd9e2f2bec400abae127c365e47dda247d
Markdownb67d8b1eebf19ddb9a419981ee96f2fd8bba7b9968c4cddef91b3eb29d800cf3
PDF
Publication page62805c10ada9c6a2f6c7dad4d87aea5c4445b76f3ab3356c5b8f2712d13d7df2
Manifest1146deb571a786f7c9b220dc6049229209ca0e5e196949cdad420ea691d76dc0

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
SignatureTYqF6ndXP/0IA3zifKj4h6dVrDJD+OhDC3OCsQUpoajUTemp9R9nLb20aPo1gZ9sfpQb6Xjgu8c52Bl6fSuECw==
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

2026-09-17T11:56:03.912882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020935
observed 62805c10ada9c6a2f6c7dad4d87aea5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.896172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020935/manifest.json
observed 1146deb571a786f7c9b220dc60492292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.878009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020935/publication.md
observed b67d8b1eebf19ddb9a419981ee96f2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.860761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020935/publication.txt
observed 0bcc4001b6783d115e73ed2f758cb4dd...
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.