OpenTechnical

OT-2026-000085169

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000085169) never changes.

Identity and time

Publication numberOT-2026-000085169 · never reused
Internal UUID01a0ae99-43b9-7b55-90e5-5251bce2989f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085169
StatusPUBLIC

Content hashes

Canonical text3dab21cdcf6f0b0a41498b718126a9d3e1a02518838d4307b1b4b818e3765c57
Markdown5868ce682631908aa649ace545e953e696d8b93aaefdf83d70eab2631b2f7eb9
PDF
Publication pagebbebeb4409cbcb82d6b8f4ad5c5425bb851f5c2f68fa6860603d09c46ee28c8a
Manifestfc1c49c8048633e1d18134e911cd26a642092f60de43fe8ada0f42288e28a680

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
SignatureODvKmGZrKx5S6RKGZM8OFCGocxfTsnzNDDkm2iK42z3ztWqTcQrZrJyMEQhckU8GKu/3K7Jg8Qas3MsHWQPjCQ==
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

2026-09-17T09:55:15.082419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085169
observed bbebeb4409cbcb82d6b8f4ad5c5425bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.066775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085169/manifest.json
observed fc1c49c8048633e1d18134e911cd26a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.050183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085169/publication.md
observed 5868ce682631908aa649ace545e953e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:15.032650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085169/publication.txt
observed 3dab21cdcf6f0b0a41498b718126a9d3...
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.