OpenTechnical

OT-2026-000059604

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000059604) never changes.

Identity and time

Publication numberOT-2026-000059604 · never reused
Internal UUID01a0ae89-ec24-7db8-8a39-0e5795dce4a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059604
StatusPUBLIC

Content hashes

Canonical text22d5dabadae1bf5863eeaeca2ee3bfb1825a3bd553789d312e61de8659620131
Markdownc67c9fdfc98cc01feb1348639d6cf481c2bd568ca27f2f662acc477a6a658a96
PDF
Publication pagebab44ea1b8f35f75e9a68d1bb67d0bf7e39d7f2a9b630ef68c192728ff64586c
Manifest0dfa48c0ac6cc8add773721fcc893557a524761a79f540fc8cded3bfcec000ab

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
SignaturewV/yE5xi4G6h59jlLSId+O+/QS3F5l2zOr2WOPOdxAJZr1i//6T66VeHP8WgNsXSIRw1w8As6u70xoM31XdhDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:15.490645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059604
observed bab44ea1b8f35f75e9a68d1bb67d0bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.472841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059604/manifest.json
observed 0dfa48c0ac6cc8add773721fcc893557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.455044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059604/publication.md
observed c67c9fdfc98cc01feb1348639d6cf481...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:15.436236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059604/publication.txt
observed 22d5dabadae1bf5863eeaeca2ee3bfb1...
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.