OpenTechnical

OT-2026-000083172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000083172) never changes.

Identity and time

Publication numberOT-2026-000083172 · never reused
Internal UUID01a0ae97-c962-7a63-b319-9b315cef67e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083172
StatusPUBLIC

Content hashes

Canonical text499556466e045a229927a69f6e9902809def14168c6791b9633c20a15adab97b
Markdown3c15cd3f2b00c117746ea3de3667b2679ee138982bcd7ce9b708343475568768
PDF
Publication page7531240970e15541abf159efefa59e98bc214c0c4b33f5c367dc69ca38162177
Manifestd19505d2153ada11ec5db0aa706880757037f51e2228a9265a2946a64b0afb23

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
SignaturexIGuXz7yTjvDLnqflqFJewuG78ctgOBiJbise/fMoeiCONtwSYl+OeA7g90J7qj5s+gCpkHj8K25z/YzlGVzBA==
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

2026-09-17T09:00:57.924192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083172
observed 7531240970e15541abf159efefa59e98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:57.904295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083172/manifest.json
observed d19505d2153ada11ec5db0aa70688075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:57.888678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083172/publication.md
observed 3c15cd3f2b00c117746ea3de3667b267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:57.870525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083172/publication.txt
observed 499556466e045a229927a69f6e990280...
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.