OpenTechnical

OT-2026-000012339

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-2026-000012339) never changes.

Identity and time

Publication numberOT-2026-000012339 · never reused
Internal UUID01a0ae6d-39f6-7127-a538-36f3548a787f · 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-2026-000012339
StatusPUBLIC

Content hashes

Canonical textbcc8d2b2d737651ad88233262c70ede0487712eab21d4380b5f511602717503e
Markdownbc587e00077641d28e4b9703f521c74333d385fd8b0140fb0c14c681f113daa6
PDF
Publication page487daf56dca6d182649f2ab92ff3181fd0f190a3222df04726380976ce2ddfff
Manifeste335f026a080b12404517b040fb11107e492c68283c22e2d7ce4510071a4a7b0

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
Signaturek5iZ+IP7YgbCz+DqTX20aVehW8T9NBNFugXBddpQse/kdMCrp84G1CuU8Wjcw3jjj8Wpo1n6wThpqxALFQiSAw==
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

2026-09-17T12:11:17.505483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012339
observed 487daf56dca6d182649f2ab92ff3181f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:17.488217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012339/manifest.json
observed e335f026a080b12404517b040fb11107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:17.472572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012339/publication.md
observed bc587e00077641d28e4b9703f521c743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:17.455186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012339/publication.txt
observed bcc8d2b2d737651ad88233262c70ede0...
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.