OpenTechnical

OT-2026-000012579

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000012579) never changes.

Identity and time

Publication numberOT-2026-000012579 · never reused
Internal UUID01a0ae6d-39f7-7608-ac70-91ee6eb8a723 · 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-2026-000012579
StatusPUBLIC

Content hashes

Canonical textc2a8398c8b4990467208f77d7176a92c0975e5e87897968142f6ba16116c63b1
Markdown3648916d51ac0d097c8370b09056083808a5c3fb4adb8ce0527b76fd9462aa3b
PDF
Publication page41a316ece1b11f73d2c5b48c5157232aa6df92bcc6e9c7f1d1b4d30d7274ba83
Manifestbf0ee92793179ccceec0998eb8167161178b45a386c853ad419330c0b7d0fde4

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
Signature1B8TcWDbdQSALqn8OMOHZHYBvnChYAyFphbHhLsJx/VpBGcczMwMnMR/qKhsi0mQB0ZCMb8jm49fnjEcfFZeCA==
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

2026-09-17T12:12:07.962114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012579
observed 41a316ece1b11f73d2c5b48c5157232a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.942273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012579/manifest.json
observed bf0ee92793179ccceec0998eb8167161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.922397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012579/publication.md
observed 3648916d51ac0d097c8370b090560838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.901978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012579/publication.txt
observed c2a8398c8b4990467208f77d7176a92c...
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.