OpenTechnical

OT-2026-000069737

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069737) never changes.

Identity and time

Publication numberOT-2026-000069737 · never reused
Internal UUID01a0ae91-185f-7d95-8f05-a113a2f602da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069737
StatusPUBLIC

Content hashes

Canonical text423aab9d43ca0e633895f5258698ba4893254ef1d6943b55df684610f0c9e937
Markdownb12fa4effa6e87c12674f189a053ad6fa5e67d024cb9f592ee2476872c9cc1c5
PDF
Publication paged1a22abf21a84a38067125b6c0b3c0b50430758954f3110bf792fa95a9c9e0e6
Manifestcbc17561adcd53e34aa4a02f1caf6df7791128b204e5adabc5e6c9b733ad8d1c

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
SignatureFvbW8yI2mEsY6Tf12beDqLs6ImOKIUlg6WdizA8qPkXwpg5J6bNRBku5bkmdVfYtzDIMFfpUaNv8jKx5IPHBBw==
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

2026-09-17T10:26:33.089039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069737
observed d1a22abf21a84a38067125b6c0b3c0b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.072311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069737/manifest.json
observed cbc17561adcd53e34aa4a02f1caf6df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.055509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069737/publication.md
observed b12fa4effa6e87c12674f189a053ad6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.037781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069737/publication.txt
observed 423aab9d43ca0e633895f5258698ba48...
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.