OpenTechnical

OT-2026-000012327

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, 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-2026-000012327) never changes.

Identity and time

Publication numberOT-2026-000012327 · never reused
Internal UUID01a0ae6d-39f6-73e8-a09e-c20ccf980178 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012327
StatusPUBLIC

Content hashes

Canonical text7f8a6790c52b09da81380b9c8218b9a7cb74a1baa0437f3c1937266df983f730
Markdown065883389790443e231365e07000e50b4ef5f47ba4e4ac0e3020144d3857dd21
PDF
Publication page2766475dcff03c08e77f1a5272e96ae067b4194297b1f6545311ee7028985c82
Manifest8f4123cb0ec2dd0634abfaf36ee67e847d7309eb61831b5e0634661931853aea

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
Signatured/ilm406PIsiQ5hHks8SP+XEVqGTVFnH7ieU2jeke/Gd6gOosCuCe51K1eO2Or3FkG+CzADB+GQuXVdw4bu2Ag==
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

2026-09-17T12:11:16.672112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012327
observed 2766475dcff03c08e77f1a5272e96ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.654691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012327/manifest.json
observed 8f4123cb0ec2dd0634abfaf36ee67e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.635399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012327/publication.md
observed 065883389790443e231365e07000e50b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:16.604008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012327/publication.txt
observed 7f8a6790c52b09da81380b9c8218b9a7...
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.