OpenTechnical

OT-2026-000035667

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000035667) never changes.

Identity and time

Publication numberOT-2026-000035667 · never reused
Internal UUID01a0ae76-b4c6-7b26-a68b-38c89f987e51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035667
StatusPUBLIC

Content hashes

Canonical text01a651cb6d1fcf56afe0106fc08faec82a28d876ebd41a1bb91f734e258c5037
Markdownb4d92691ab6b39e4b1f9a1aa875731942c9b14945eba33e72a0328ba100c653d
PDF
Publication page53dbffdf26e9ed3a32349d32a52f9c58160fb8f9bdfb967479938b287be69fe9
Manifestd0fabcf36b00ee7b9514b34b2a3eba92943e9bc03a4a84fef0797cc594f13960

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
Signature/igLUPNrAqYJidOUx6i8RUH9uT84/Qn04SDOUeVV/I33xR/068659otNZJhAdY381qDBfbqGs9U2Kv9gtE+pCA==
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

2026-09-17T11:27:13.846365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035667
observed 53dbffdf26e9ed3a32349d32a52f9c58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:13.828529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035667/manifest.json
observed d0fabcf36b00ee7b9514b34b2a3eba92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:13.810150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035667/publication.md
observed b4d92691ab6b39e4b1f9a1aa87573194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:13.792408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035667/publication.txt
observed 01a651cb6d1fcf56afe0106fc08faec8...
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.