OpenTechnical

OT-2026-000014701

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000014701) never changes.

Identity and time

Publication numberOT-2026-000014701 · never reused
Internal UUID01a0ae6d-d093-7dc4-b6e4-da94d17df03b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014701
StatusPUBLIC

Content hashes

Canonical text536e68acd05efa0b75bc4a0d3eee7641ede3a4ab7ee94975495df5ab132101c6
Markdown646562235fb2e0248557aafde21efd0cc02fa43e877f955fee2849a05b06116f
PDF
Publication page5521ec78fd8b5838ae2975b92a0a9ea5008aef01aa10107146026e0edd53aff2
Manifest361ed88290d47d507ac0390f9331c95f58021cd0c2daee0f3ff4f82e65940aed

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
SignatureDXul1PNC4o4TQ5iTRR9dqRAX1A9QcB1DC2vEgH8FR85bOKhrpKBQVktxC4xmFLhvDg14Rh0FCIdLzG3eNX8/Dw==
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

2026-09-17T12:06:33.688597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014701
observed 5521ec78fd8b5838ae2975b92a0a9ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.670556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014701/manifest.json
observed 361ed88290d47d507ac0390f9331c95f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.650479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014701/publication.md
observed 646562235fb2e0248557aafde21efd0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:33.631309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014701/publication.txt
observed 536e68acd05efa0b75bc4a0d3eee7641...
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.