OpenTechnical

OT-2026-000079584

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000079584) never changes.

Identity and time

Publication numberOT-2026-000079584 · never reused
Internal UUID01a0ae96-0b92-7f5d-8c00-84dc358a8796 · 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-2026-000079584
StatusPUBLIC

Content hashes

Canonical textadee322950c8ad889dec3fef38b5981bf69e2f2006fc55044af114c3ca0a3936
Markdown1bdd01aa6e0a83cd8de122bef14ee713b3f01a834070449fe164b4e6c9866c4e
PDF
Publication page21cbfcca76fd0a38bd11e68f98db7d061247b09e7dfd427b3be719bac1111ef2
Manifest203db7550134fcd370342329691d419ff7a980f3c877fa2ed284e18c12d9c0c1

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
SignatureTMvisCMI//TbjzfuWORvd0cOzyg0K4YJckLddGPd3jwpJqbtTmn6w7jliM3Zdv4RBD/7vvNuiAOHLlJ6eTGnDA==
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

2026-09-17T10:05:14.362318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079584
observed 21cbfcca76fd0a38bd11e68f98db7d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.342304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079584/manifest.json
observed 203db7550134fcd370342329691d419f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.324018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079584/publication.md
observed 1bdd01aa6e0a83cd8de122bef14ee713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.306060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079584/publication.txt
observed adee322950c8ad889dec3fef38b5981b...
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.