OpenTechnical

OT-2026-000021336

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021336) never changes.

Identity and time

Publication numberOT-2026-000021336 · never reused
Internal UUID01a0ae6f-865c-7de4-96f0-21f25bdd0b5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021336
StatusPUBLIC

Content hashes

Canonical text6e30f0c15d21c715811a8cea5464f69f367cffc9832e6a18f251090b7e24797f
Markdown8fad9832f472e98a42d67aab90181040dc65d60d726d2e6b85b8528aed24f7df
PDF
Publication page1dc6ce20ed06b161415dc57a280ef79dacc5e9d9592acb75c51c5796aba98658
Manifest5f0d259e05f5d43df87e3ecaed59e35eea2aa936d5d5ae842fa0e1ef524131fb

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
Signature0KOv5u1vDkjCCE9/f9zBxVPfvPsl2do1xzE/HJk+tMg1TQltWEoLz+bxhOB3Qfd9dwBtjrsejjKHVc6fp9udDA==
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

2026-09-17T11:55:11.184248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021336
observed 1dc6ce20ed06b161415dc57a280ef79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.166266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021336/manifest.json
observed 5f0d259e05f5d43df87e3ecaed59e35e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.147112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021336/publication.md
observed 8fad9832f472e98a42d67aab90181040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:11.127111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021336/publication.txt
observed 6e30f0c15d21c715811a8cea5464f69f...
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.