OpenTechnical

OT-2026-000084347

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000084347) never changes.

Identity and time

Publication numberOT-2026-000084347 · never reused
Internal UUID01a0ae98-5b62-726a-b629-99496332a6f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084347
StatusPUBLIC

Content hashes

Canonical text2e3a37522abae86428d4785f0eea8c2389120a327eaefd0135b5437bd90f190e
Markdowncda7b5e33ec2b015017d9972882c7710015e4b89302e645a5653599ccee139cd
PDF
Publication pageff100262e5d811adbd6c895fb721ae0405cbc3e40821ca81a396a78935d3fd50
Manifest01bcaff5cc534d60f50de75e8124e6553b1766b9a81632716ea7d2245516533e

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
SignatureAJ5vjufxWyRrykibysApFtFzBql/9enR8fz8wv3048jdJU5Pwp/qsd+dKvY147ECgiG3Uhv3DIcB9a4Qq/beCQ==
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

2026-09-17T09:56:16.741218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084347
observed ff100262e5d811adbd6c895fb721ae04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.724369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084347/manifest.json
observed 01bcaff5cc534d60f50de75e8124e655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.707841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084347/publication.md
observed cda7b5e33ec2b015017d9972882c7710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:16.691981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084347/publication.txt
observed 2e3a37522abae86428d4785f0eea8c23...
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.