OpenTechnical

OT-2026-000098771

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold 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-2026-000098771) never changes.

Identity and time

Publication numberOT-2026-000098771 · never reused
Internal UUID01a0aea2-42af-705c-96e3-1a804b655a3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098771
StatusPUBLIC

Content hashes

Canonical text57b6c4a932b9e823d25d94a0512fe1025d5a319bf2746cdc6afe4ecb786e7d30
Markdowna9f204a417c7ebf80760853a0fc6f5aa5962ba60be580949bdc8d464934a9086
PDF
Publication page4a7bc57189945bb3a3191c0b28b3799958efb0490b2d15e1b7a62d512046e436
Manifestd814dabc7a4a457d659f871b65daa3cccad5e06975ab1656ba05bfb08fbeb9b1

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
Signaturehk9giGWOEGFCPPVVyCvenWhTD+zHmGuJcY8A0ST+r852zaFMni88LMxeH3iFKgXQPqiZSqJr1iuew6547Y72DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:05.583544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098771
observed 4a7bc57189945bb3a3191c0b28b37999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.567446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098771/manifest.json
observed d814dabc7a4a457d659f871b65daa3cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.550572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098771/publication.md
observed a9f204a417c7ebf80760853a0fc6f5aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:05.533379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098771/publication.txt
observed 57b6c4a932b9e823d25d94a0512fe102...
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.