OpenTechnical

OT-2026-000020662

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000020662) never changes.

Identity and time

Publication numberOT-2026-000020662 · never reused
Internal UUID01a0ae6f-65e2-766a-a0c6-b437244a2b6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020662
StatusPUBLIC

Content hashes

Canonical textf2f2780842603b7ce0fc0a98df45f32244f71f70e784c5ec6d0426cb8ab43e57
Markdown6616f2ee920b63ecc112b1e5bb55c59f2603e722fd5634a306f7d25919b67903
PDF
Publication paged48be46c8e2adaebf80daf1e191d797020c17cced05402de61fedcb940c09f18
Manifesteb6c0f4137188af3936d12ba034b0fd21880fbd746483673527e909185516ac7

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
SignatureGnPYCqsq1eQ0fVtnnj7tbDi2+543SQrjVpm33NepjNs3RaAEgU8Xuy41uEcq7+TYTKpsIdnuaZXjyoQMlWOSCw==
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

2026-09-17T11:55:32.356841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020662
observed d48be46c8e2adaebf80daf1e191d7970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:32.338047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020662/manifest.json
observed eb6c0f4137188af3936d12ba034b0fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:32.272620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020662/publication.md
observed 6616f2ee920b63ecc112b1e5bb55c59f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:32.212669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020662/publication.txt
observed f2f2780842603b7ce0fc0a98df45f322...
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.