OpenTechnical

OT-2026-000064208

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000064208) never changes.

Identity and time

Publication numberOT-2026-000064208 · never reused
Internal UUID01a0ae8d-a45f-7585-8bb5-7460911d910c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064208
StatusPUBLIC

Content hashes

Canonical text49e8460088264d4b2a8d556fb280fdcc1c170ad12bdd9776d1a120ceac2a64ab
Markdown832d75321bedb9526826fb1a6262b20ef02f9405255b2fe6ed20494a9c1a3574
PDF
Publication pagea3a9b2a419caf3ac07da747a070b1b9df25b3970be6b0db62f174b3bf815b324
Manifest9a338bd071ba745eb99678d93be9fc02ace799d288838c95e77751f85532ea68

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
SignatureNg7Lc5wvCGsM/CR5/yPxN4924QCusnBHRKeExOm78BR34haE0Nb719rCYWAcrmULGqlJ2O9WkIthNSP0CSzaBQ==
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

2026-09-17T10:36:19.598996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064208
observed a3a9b2a419caf3ac07da747a070b1b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.581291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064208/manifest.json
observed 9a338bd071ba745eb99678d93be9fc02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.563472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064208/publication.md
observed 832d75321bedb9526826fb1a6262b20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.545945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064208/publication.txt
observed 49e8460088264d4b2a8d556fb280fdcc...
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.