OpenTechnical

OT-2026-000071529

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line 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-2026-000071529) never changes.

Identity and time

Publication numberOT-2026-000071529 · never reused
Internal UUID01a0ae91-e0ee-7e84-963f-8fa9662abc93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071529
StatusPUBLIC

Content hashes

Canonical text4219f69a815fd8c91ecaf8568c705291a532b2e5c3e31fc39c9d9d62223cda5d
Markdown66177c79975cdc17be46286f972618884e07767f410c73e01598a6ae34edbdaf
PDF
Publication pagec5af84a83f98b4ffc37f3330cf4e077b2626a7bde75f3719178a190f9751facf
Manifestd027ac1e50a9a527a222e660ad1cc0aa3bed9681abc7af92a6b41e42f8e60f39

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
SignaturegH+MHCwoyO/yT3yykf8mNjJoldcncytkawzUCB6nawIsq+whL8abKzeCqvA5C5+P/JNeXKV8cqs5yMbyPnEzAg==
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

2026-09-17T10:25:10.815119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071529
observed c5af84a83f98b4ffc37f3330cf4e077b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.798687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071529/manifest.json
observed d027ac1e50a9a527a222e660ad1cc0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.781714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071529/publication.md
observed 66177c79975cdc17be46286f97261888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:10.764781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071529/publication.txt
observed 4219f69a815fd8c91ecaf8568c705291...
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.