OpenTechnical

OT-2026-000082838

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000082838) never changes.

Identity and time

Publication numberOT-2026-000082838 · never reused
Internal UUID01a0ae97-8cc9-7f00-af3b-b738663782ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082838
StatusPUBLIC

Content hashes

Canonical text3af36434cbb878f5bd7bd1378a9a13083d1c0f7819bbb7ab167e52065194139c
Markdown368cd01fc3b31330f0870cbd35196d0cc367a04070462438ec37cec1ea776a35
PDF
Publication pagebeae0c9e6b21bdb0eb0b603a068064b24d5e65085976402731dc5360203aa85c
Manifest156dbb239157986ce1256bb7bc5873e9afad10caebc2a48adc5651b0807e2ca7

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
Signature7az1CW2M4d4RsuvvXrUSFnw0BMeh8Ccba8R66pA4VkXxh5ibCxnl6fXo9AR3IRDgvGm0SVljBfQwpX5eWJORCw==
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

2026-09-17T09:58:30.711903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082838
observed beae0c9e6b21bdb0eb0b603a068064b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.694367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082838/manifest.json
observed 156dbb239157986ce1256bb7bc5873e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.657506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082838/publication.md
observed 368cd01fc3b31330f0870cbd35196d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:30.623665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082838/publication.txt
observed 3af36434cbb878f5bd7bd1378a9a1308...
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.