OpenTechnical

OT-2026-000086678

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, sustained 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-2026-000086678) never changes.

Identity and time

Publication numberOT-2026-000086678 · never reused
Internal UUID01a0ae9a-2c99-7bd5-b842-cb73944a8c6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086678
StatusPUBLIC

Content hashes

Canonical text3ac14404bcc61e5268838426d4dceb30a58ee235ed69b2856e45e5a397f0cd1f
Markdown56153c6fb77d7dd4981445f5bf3ffd7102cc29b215a8b26a8330f2884b4ab7cc
PDF
Publication pageeffb7ade7cc9eb1bdc9155a5b56519c45ee2366dfb325ccfbec58a16fd1749c3
Manifest023b30493f60eca42b1161404bb619d2f5c2dd9cb22f07a53a30ac0a6f5a6cf7

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
SignaturecZ7DEdWRGXPImwYsLXePNtwlC/uX7IcA9sDBeuf6L/K+kXHd2NfEFw82NpoBjW9Mq4/lLh7Xhbq/uugYoBjDAg==
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

2026-09-17T09:52:32.636114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086678
observed effb7ade7cc9eb1bdc9155a5b56519c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.619133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086678/manifest.json
observed 023b30493f60eca42b1161404bb619d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.600766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086678/publication.md
observed 56153c6fb77d7dd4981445f5bf3ffd71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:32.582893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086678/publication.txt
observed 3ac14404bcc61e5268838426d4dceb30...
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.