OpenTechnical

OT-2026-000012214

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000012214) never changes.

Identity and time

Publication numberOT-2026-000012214 · never reused
Internal UUID01a0ae6d-39f5-7eac-a99f-433616bba559 · 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-2026-000012214
StatusPUBLIC

Content hashes

Canonical text9e1a334bd83e25e3c3329df39d461a6348a6a81eac9da630ec786eb223576a17
Markdown44328f056dfb2ee7266ed8c9f742f6f2ca543de18540b53ead81f0d3da334f12
PDF
Publication page6d46242748e4732668856e0b9ae9be55d333239306cea2e51d5cd168ffe3718a
Manifest6bbd5958ba0c8c6ff163a5b7cbd7077662b61bfe87ea9022180fe8692f30b467

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
Signaturetu9+pbxc7gSFUPgGKl7LA8TkSDaQm6J0PF3qYNIgXdC8swSymPpyEIxyx3sCDUzotl6uHjfI00d0mv+BMLo3DQ==
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

2026-09-17T12:11:07.803062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012214
observed 6d46242748e4732668856e0b9ae9be55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.784220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012214/manifest.json
observed 6bbd5958ba0c8c6ff163a5b7cbd70776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.764458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012214/publication.md
observed 44328f056dfb2ee7266ed8c9f742f6f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:07.746343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012214/publication.txt
observed 9e1a334bd83e25e3c3329df39d461a63...
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.