OpenTechnical

OT-2026-000087328

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000087328) never changes.

Identity and time

Publication numberOT-2026-000087328 · never reused
Internal UUID01a0ae9a-cd4e-71ab-995a-09f78d5e0d86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087328
StatusPUBLIC

Content hashes

Canonical text9d4529ced5dcf3403e8ed349c59ac0feb85a91cf10c06a2f9c649edaa5e010a1
Markdowne1883dfbb3f22e79b55d8692d3c749b071f1bf327c56ebb5140495e299c34373
PDF
Publication pagea6e51ee6e650f34ae169f68580254465df83eccbcb632aba3696da32fc9cab7a
Manifest3e0a3b35e9a83e1268513019ada9b03ecd784b4d9104a17da2d837359c0c1220

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
SignatureVyOMSG+HPojhtR3k6Vule+/vsB+BizPAOwmeMfh5886MA1oGbHGnFfaPiAURGvtCLNrdJgRUEWNjZ/x/XC8xDA==
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

2026-09-17T09:50:29.748314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087328
observed a6e51ee6e650f34ae169f68580254465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.747276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087328
observed a6e51ee6e650f34ae169f68580254465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.729876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087328/manifest.json
observed 3e0a3b35e9a83e1268513019ada9b03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.729873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087328/manifest.json
observed 3e0a3b35e9a83e1268513019ada9b03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.712916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087328/publication.md
observed e1883dfbb3f22e79b55d8692d3c749b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.709555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087328/publication.md
observed e1883dfbb3f22e79b55d8692d3c749b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.695523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087328/publication.txt
observed 9d4529ced5dcf3403e8ed349c59ac0fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:29.692537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087328/publication.txt
observed 9d4529ced5dcf3403e8ed349c59ac0fe...
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.