OpenTechnical

OT-2026-000079612

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000079612) never changes.

Identity and time

Publication numberOT-2026-000079612 · never reused
Internal UUID01a0ae96-0b92-7ee2-921e-96553174bf04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079612
StatusPUBLIC

Content hashes

Canonical texte9f6fa06cb87c01174d64f3f6621afa187438ccfe418fbbad4f30afeb916a18c
Markdown9a86c27c1ca5292b8d40459ae1f1ea0d738e97cec22cb5d1dced4f7a7562b161
PDF
Publication pagebcf6aac5929ee38a264590bf57cdff2ea60eba2b8f438900a8f6e0f678d136b8
Manifestdfde08340c720f6a25f3f92147d9ca20349cc55e026002b005ce8a8ada2c22f9

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
SignaturekIqmfKTpTDwsIyoTwjciO152xrNjJchLRuazFW+o7FHdNjfdbl41kEtaC2l+bogxo4cIJqpCZM5VSS/2u/6eAw==
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

2026-09-17T10:05:16.366457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079612
observed bcf6aac5929ee38a264590bf57cdff2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.348982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079612/manifest.json
observed dfde08340c720f6a25f3f92147d9ca20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.331746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079612/publication.md
observed 9a86c27c1ca5292b8d40459ae1f1ea0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:16.311747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079612/publication.txt
observed e9f6fa06cb87c01174d64f3f6621afa1...
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.