OpenTechnical

OT-2026-000012679

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000012679) never changes.

Identity and time

Publication numberOT-2026-000012679 · never reused
Internal UUID01a0ae6d-5562-7368-b4f3-c971eccbdb19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012679
StatusPUBLIC

Content hashes

Canonical textb72c4bf2f0c34f75360bf5ae7c0c28d62ee7344e687d1dcb76af4a48f7a2c6a4
Markdown275f6aa92fdfdab6e01bf8c80fced57904041bb2ef78c0c93a688d0abff97c1c
PDF
Publication page8c94f7ce54392e597e560841a3ff801c4058b3e7a4bb0afd9096ef751c81ac5a
Manifestbe5f027a64a9b5418b27b8796708f04859c3a4a69490630402c26ab99adcfcc7

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
SignatureG2kOzEJtPsfhrTY8onh+aUOVgMfSo96t2ghWyikG7N8LzFyhjRd8CRj8AgVZj8Hj5Fh53rKAeXFSpkE7vImDBw==
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

2026-09-17T12:10:19.588542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012679
observed 8c94f7ce54392e597e560841a3ff801c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.569812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012679/manifest.json
observed be5f027a64a9b5418b27b8796708f048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.549555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012679/publication.md
observed 275f6aa92fdfdab6e01bf8c80fced579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.528600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012679/publication.txt
observed b72c4bf2f0c34f75360bf5ae7c0c28d6...
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.