OpenTechnical

OT-2026-000080393

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two 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-2026-000080393) never changes.

Identity and time

Publication numberOT-2026-000080393 · never reused
Internal UUID01a0ae96-7e78-7a0a-966d-d98d209c6f38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080393
StatusPUBLIC

Content hashes

Canonical text1918be36286560687678f637142e1fbd39c1a12b985a4d24acc5851fe57d2b66
Markdown065cc2df48f1b1ce846227dd87a3d3fd661c4c19867c4a33562c1788d09d42c4
PDF
Publication page5ed0e1723e7aa6d1f2debf7cedb5bce65f555e96c705badbef1f8d9f7a8d74f1
Manifest7dd82957753c97afb333a2fa8f135d0803ab30692bb261aebc622f350f828cc1

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
SignaturebiGOT3rC/kyBOvTN95hTS2czgOoAHq9oBinyXTP3qp0kvdEHjNUo7HHmeiW4Ts+328SLMWBkSPyFU8L/4tfPBw==
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

2026-09-17T10:02:53.499399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080393
observed 5ed0e1723e7aa6d1f2debf7cedb5bce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.480909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080393/manifest.json
observed 7dd82957753c97afb333a2fa8f135d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.463967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080393/publication.md
observed 065cc2df48f1b1ce846227dd87a3d3fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.445739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080393/publication.txt
observed 1918be36286560687678f637142e1fbd...
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.