OpenTechnical

OT-2026-000093554

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000093554) never changes.

Identity and time

Publication numberOT-2026-000093554 · never reused
Internal UUID01a0ae9e-508b-7c19-af02-f6df3857dcfc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093554
StatusPUBLIC

Content hashes

Canonical text9b78c057d45e1462a9b443b7c75916abcda784c2f0eb7a022205e444227e60fb
Markdownfea09f7f4c0aa0d3a2b6761046b2d805cbf82295e5e86306921e50ed0fc02634
PDF
Publication page233c3ebc110e0c41886cfd01f783750d201b3aeb5d51eb30755711cb70ee4a93
Manifest6432e3c1a63ec597f0c0e9a93cd189664de9e0842d179e9890231af76b3a3143

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
SignatureZlYNPUwo+IRMcKD9ODxy0XC3Lp5B1eE68IcOlQ2ElDIrjKp9/ZeLKm05EBSkRRdKo9nmf80WgLWbZGkAkL+tAg==
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

2026-09-17T09:40:30.591541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093554
observed 233c3ebc110e0c41886cfd01f783750d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:30.574130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093554/manifest.json
observed 6432e3c1a63ec597f0c0e9a93cd18966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:30.542542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093554/publication.md
observed fea09f7f4c0aa0d3a2b6761046b2d805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:30.524072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093554/publication.txt
observed 9b78c057d45e1462a9b443b7c75916ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:34.851715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093554
observed 233c3ebc110e0c41886cfd01f783750d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:34.835467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093554/manifest.json
observed 6432e3c1a63ec597f0c0e9a93cd18966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:34.817766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093554/publication.md
observed fea09f7f4c0aa0d3a2b6761046b2d805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:34.797003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093554/publication.txt
observed 9b78c057d45e1462a9b443b7c75916ab...
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.