OpenTechnical

OT-2026-000076562

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, vented before set-down

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-2026-000076562) never changes.

Identity and time

Publication numberOT-2026-000076562 · never reused
Internal UUID01a0ae94-b06d-75b7-9726-fae1df26515e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076562
StatusPUBLIC

Content hashes

Canonical text15d45321fc7392b8c5a13c6084d6763db05fc35b8ebebf4d1e5a95208d13a536
Markdown6f1dbc1ee7c3eb5752453ae2598c6f2b0b1863c18a1b3ad6aa3af84606353ede
PDF
Publication page1fa0b13d6840dc83cbe2a1dc19da9cf5368e3fe1d1d405e8b8325bb4a923e48c
Manifested0d835b8f01106591287917c9418a973d2a76b09638f57576b92a8d8f0a8f1e

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
SignatureRAtQkXpiY9hyjc+eZAyW5AUqLi8WBsnaO6Q5ogNmgoRl3XPYF0NykMQEBcE+e8RQz1qt9n61vocUdaymBVEtDQ==
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

2026-09-17T16:42:27.543315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076562
observed 1fa0b13d6840dc83cbe2a1dc19da9cf5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:27.387272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076562/manifest.json
observed ed0d835b8f01106591287917c9418a97...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:27.169292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076562/publication.md
observed 6f1dbc1ee7c3eb5752453ae2598c6f2b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:26.982824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076562/publication.txt
observed 15d45321fc7392b8c5a13c6084d6763d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.457161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076562
observed 1fa0b13d6840dc83cbe2a1dc19da9cf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.437401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076562/manifest.json
observed ed0d835b8f01106591287917c9418a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.377115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076562/publication.md
observed 6f1dbc1ee7c3eb5752453ae2598c6f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.306971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076562/publication.txt
observed 15d45321fc7392b8c5a13c6084d6763d...
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.