OpenTechnical

OT-2026-000014711

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three 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-2026-000014711) never changes.

Identity and time

Publication numberOT-2026-000014711 · never reused
Internal UUID01a0ae6d-d093-789c-bfb7-41a2e18dfd88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014711
StatusPUBLIC

Content hashes

Canonical text35be7f72a4f042fdc85cc3fb341218ed3282297b471acdc1ab377f8ab3a6bcd3
Markdownda1c2d0deedcb7d151cd317362ef29a247147a1503bdcb840bc0f48a46795d88
PDF
Publication pageee706a15ba3282fd499e6e7a55f81e8dc41241c727cf95cf37d4aa6d157bce69
Manifest477af3a86cdad50f2737e7501efb16e9aaba5180520c591b79521be38d29bf22

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
SignatureevBWZqX2DVR08/3cqk0Op8GUuhWWV1nbrUJmJy7BcMO6AK/9zz1QhgdAJQ87a/vB9VHeY+yIEk0/bFZ7K6WRDA==
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

2026-09-17T12:06:34.528075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014711
observed ee706a15ba3282fd499e6e7a55f81e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:34.509977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014711/manifest.json
observed 477af3a86cdad50f2737e7501efb16e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:34.492713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014711/publication.md
observed da1c2d0deedcb7d151cd317362ef29a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:34.471946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014711/publication.txt
observed 35be7f72a4f042fdc85cc3fb341218ed...
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.