OpenTechnical

OT-2026-000078903

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078903) never changes.

Identity and time

Publication numberOT-2026-000078903 · never reused
Internal UUID01a0ae95-ccbd-73a7-9466-970c57ee4ec9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078903
StatusPUBLIC

Content hashes

Canonical text0a4c76690d80aac369be5f4191c5d7480f208468341e5b91c7432afddfa1d102
Markdown0f2f8e0a9df9d7774f0601fd52d3a55021ac68ecb1881b50809e7fdae194fc01
PDF
Publication pagedf3dec49b304fc54c35781378712b8460dc9e32e8ac8f53a2b1d7fedc5f9dad5
Manifest2195023ee5f4d9d8e9e087f38d4ce00b2a06442a0ca3762dc52c61efd6a6ee8d

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
SignatureLv2U95iejf5bnrZDFTgSbO1sA6KfKNILiKWY1BvNxKYHy5RhFdKoLKrdZJJBUAd5yOP/zJCa4Npmd6j7AQ7EAA==
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

2026-09-17T10:05:42.933936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078903
observed df3dec49b304fc54c35781378712b846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.916395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078903/manifest.json
observed 2195023ee5f4d9d8e9e087f38d4ce00b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.898403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078903/publication.md
observed 0f2f8e0a9df9d7774f0601fd52d3a550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:42.880204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078903/publication.txt
observed 0a4c76690d80aac369be5f4191c5d748...
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.