OpenTechnical

OT-2026-000032825

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000032825) never changes.

Identity and time

Publication numberOT-2026-000032825 · never reused
Internal UUID01a0ae75-4842-7cbf-924a-b565dcc2e714 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032825
StatusPUBLIC

Content hashes

Canonical text82c67ba66b424197904282be0844f989d68d16839b22e26b18ce87bd92264254
Markdown84127a5dabfee4e2bb50c59579063106afe461a05563e9ef3bd5b12c7f68022e
PDF
Publication page728beeb6180d57e47c33ee279f64b5de9ed09db7f43d8403b26e2ffda2ae4158
Manifest66af6189d6775f8a52499d16916d570cac445d8d280cc4b793f3a2eacee58c36

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
SignatureAa6d7FaWJViyydRrYAw6M2GkwZEf3Nz2h231iDSyiQaZNcuMOfL5owbLKWmr2jC8hRY5yXVm1V+ka1rkIlb2DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:16.852641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032825
observed 728beeb6180d57e47c33ee279f64b5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.835825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032825/manifest.json
observed 66af6189d6775f8a52499d16916d570c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.819009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032825/publication.md
observed 84127a5dabfee4e2bb50c59579063106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.802168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032825/publication.txt
observed 82c67ba66b424197904282be0844f989...
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.