OpenTechnical

OT-2026-000081343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000081343) never changes.

Identity and time

Publication numberOT-2026-000081343 · never reused
Internal UUID01a0ae96-f374-7d3f-a26e-6146def2e7f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081343
StatusPUBLIC

Content hashes

Canonical text95d3e8c2a23f4273ddb9394e317b6923efbf3d561cbd99aea088a9545b4432e5
Markdown13582f117dfd375acb19637215ee36f5cb852ae254af38f9c2347045ed7be376
PDF
Publication pagea08af2fdd1b840d509632866dd1380cb78d654ed3d4b94c9523bf46e867f3138
Manifest74f746a72f5c3a7882b0090146a0969ad86f95025bb61942fcf03eeff154b7f1

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
SignatureXYaUFUZRpBoohtzyDmL8lRz4PttHfOLv1pxDAyJRzido5H/1tHlBdI5h+WdAWmMyrjVuHYa9byNq0Wx0EZRdBQ==
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

2026-09-17T10:01:28.179274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081343
observed a08af2fdd1b840d509632866dd1380cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.162725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081343/manifest.json
observed 74f746a72f5c3a7882b0090146a0969a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.131972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081343/publication.md
observed 13582f117dfd375acb19637215ee36f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.098073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081343/publication.txt
observed 95d3e8c2a23f4273ddb9394e317b6923...
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.