OpenTechnical

OT-2026-000082353

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000082353) never changes.

Identity and time

Publication numberOT-2026-000082353 · never reused
Internal UUID01a0ae97-4d95-7ba8-87a2-d711010b6567 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082353
StatusPUBLIC

Content hashes

Canonical text74b758d6326e2bca97bce3bbf50b514517410d81f43d13fc2132f95301261ba0
Markdown6bc0e75eba79e717e0f8c4a5c044764a07754b1c4b32deeaeccbac7b9d06c33c
PDF
Publication pagef9cc5289cd1a3af6c473ac0eb4b8570d2ac3de3ec981533c890ecd52f74db219
Manifest81c84a6782f90284159718b0c5896b3feea9500e11a46964c0230d5e3b296a1b

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
SignatureQVPNQHa4rWw5Ihm/mXKcsTeY0Fb9q1htt+KWUeFMzGfjmHkbz+pw/R41c5lBAEMBHJXk9PSeIqnTUNoRDKAeAw==
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

2026-09-17T09:59:13.654562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082353
observed f9cc5289cd1a3af6c473ac0eb4b8570d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:13.638231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082353/manifest.json
observed 81c84a6782f90284159718b0c5896b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:13.621416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082353/publication.md
observed 6bc0e75eba79e717e0f8c4a5c044764a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:13.604081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082353/publication.txt
observed 74b758d6326e2bca97bce3bbf50b5145...
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.