OpenTechnical

OT-2026-000074689

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074689) never changes.

Identity and time

Publication numberOT-2026-000074689 · never reused
Internal UUID01a0ae93-ac2b-7979-a206-c2055da26a7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074689
StatusPUBLIC

Content hashes

Canonical text0707fecf9ac8c70174ee781b79fdfbc2286d6d38ebd3221594406777daf141c2
Markdown85f81d83acb29cc440e24e91236a971962806683547fa911d3f4f6f67d041bff
PDF
Publication pagecf67effb195265c4b94b4d10ebd413d08e76cb1e2b8d4f152743234b4a300edc
Manifest8aa10ca80f4502969abbc6598b8f633d3891b109c370d862d955baaba16f4498

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
SignatureuIC+yNfih7KjtrW2eT3bnhTsndC2LM39HFw0g+BEUguj1u/eD2FzHP7/pChY5U0CtgoQ4NTXF12AOWv+WQeSDQ==
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

2026-09-17T10:18:16.612555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074689
observed cf67effb195265c4b94b4d10ebd413d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.593483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074689/manifest.json
observed 8aa10ca80f4502969abbc6598b8f633d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.574827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074689/publication.md
observed 85f81d83acb29cc440e24e91236a9719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.556215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074689/publication.txt
observed 0707fecf9ac8c70174ee781b79fdfbc2...
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.