OpenTechnical

OT-2026-000083395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum 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-2026-000083395) never changes.

Identity and time

Publication numberOT-2026-000083395 · never reused
Internal UUID01a0ae97-c964-796a-8753-4b20d419f284 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083395
StatusPUBLIC

Content hashes

Canonical textb7e23f11480b5a21d37f3b8d39250d2d566af4748f14e9a5889457f449e31e66
Markdowncc3015a688da5f0249b7544ac5b0c02fe63cc443983ff910701f0805ffddfbb7
PDF
Publication pagee7c0ea35d2fb010427dc6c47887b2383fa4eee9a284f6b0aac81fce544c0ebcf
Manifestafbee62f7c8c9bb8c76307040988938be0facf558e3f33ee4f500b4933a90ac6

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
Signature3EJY1VZFlCoR9PlZChLLiq0MJEo+W98EsyMUqrIa5eJnQnlFUeNQNIWRU3W9iO9wVtR2EuAO8lEY4WT7a8RVDQ==
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

2026-09-17T10:00:51.590921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083395
observed e7c0ea35d2fb010427dc6c47887b2383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:51.572364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083395/manifest.json
observed afbee62f7c8c9bb8c76307040988938b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:51.550801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083395/publication.md
observed cc3015a688da5f0249b7544ac5b0c02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:51.531470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083395/publication.txt
observed b7e23f11480b5a21d37f3b8d39250d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.255725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083395
observed e7c0ea35d2fb010427dc6c47887b2383...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.239909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083395/manifest.json
observed afbee62f7c8c9bb8c76307040988938b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.223755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083395/publication.md
observed cc3015a688da5f0249b7544ac5b0c02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:48.207877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083395/publication.txt
observed b7e23f11480b5a21d37f3b8d39250d2d...
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.