OpenTechnical

OT-2026-000085478

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-2026-000085478) never changes.

Identity and time

Publication numberOT-2026-000085478 · never reused
Internal UUID01a0ae99-aaab-77a1-b316-d1e623b407a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085478
StatusPUBLIC

Content hashes

Canonical text6d10a9ad3bb115fa8a659980b70e08929b2e96f659dde60fef2d99e47d595271
Markdown039757b1c4b172809160e8d48fe8278027dd0a29740fc5e5d56b60d30b06201d
PDF
Publication page4fd6cf38a275793a85d60c611acc3f2f9038b6004fa7c54dfd9c58a9689e72e5
Manifestbccb1ba9b87d77cbaa35dfb37503c65b5405cbee01473f2adc529ddacd4db346

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
SignaturekTw0xAhUQorQTvNnnqG+T3Pt9l4XJONBaLTUeeb9vSMLT09dMmFmCZQAzmFYOkEE8sOcGQWtOSWrMUxg5M0PCQ==
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

2026-09-17T09:54:16.478608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085478
observed 4fd6cf38a275793a85d60c611acc3f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.461657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085478/manifest.json
observed bccb1ba9b87d77cbaa35dfb37503c65b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.445862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085478/publication.md
observed 039757b1c4b172809160e8d48fe82780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:16.428088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085478/publication.txt
observed 6d10a9ad3bb115fa8a659980b70e0892...
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.