OpenTechnical

OT-2026-000031352

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off before set-down

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-2026-000031352) never changes.

Identity and time

Publication numberOT-2026-000031352 · never reused
Internal UUID01a0ae74-87ac-7c6c-a6c4-8e69d48684d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031352
StatusPUBLIC

Content hashes

Canonical textb59e319c142f3d0c017cc5459a44a363442106a398178be9de4f29724491c8ae
Markdownf3947ae9797d997cd1d947201ae66830002767e6bdc2edf13be3f0d0a1fac431
PDF
Publication page68a72e3ee7c2e96f47c6e6765da911f0b758b9a65ff121073bbcc861118c208f
Manifestca0aacbd7f15c9b247f5127faa88e6c988715a537024e38c6846f806f2cac97e

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
SignatureoXzOKM8SI9nTNtX3FOg3GVNlbvQkOSj5kiNLEVKAo1HSnMdxnO3qMOzOiYsLr+9j6E1VEXNQUj+cR2oWz05CDw==
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

2026-09-17T11:36:03.097870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031352
observed 68a72e3ee7c2e96f47c6e6765da911f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.076117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031352/manifest.json
observed ca0aacbd7f15c9b247f5127faa88e6c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.058036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031352/publication.md
observed f3947ae9797d997cd1d947201ae66830...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.041734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031352/publication.txt
observed b59e319c142f3d0c017cc5459a44a363...
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.