OpenTechnical

OT-2026-000023564

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000023564) never changes.

Identity and time

Publication numberOT-2026-000023564 · never reused
Internal UUID01a0ae70-7269-7083-8979-b2e8a7e658bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023564
StatusPUBLIC

Content hashes

Canonical text68ba94c753c343633328e45dd9174a286a19e398495188bf6de287f17e2c269d
Markdowndfa9a338ab756ba567e0249910f17567944e777981640688a2abb6e9edc98a51
PDF
Publication page8d34346e9415b475295f73bc371ee6c7ebd1580b6e18e72ecebcfb322a71a0ab
Manifest39a625f99106ad31a34891670037655669e32c97268117830c6eccb787a74eb8

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
SignatureliSZ3MiMIMP3wW3kWDGmaeeW3T8SLYWfVXD8WTgPma1btqdtRP3t5lFYKDgfyttgxIuBBopWq4JXky3YqLDVAg==
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

2026-09-17T11:51:54.950853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023564
observed 8d34346e9415b475295f73bc371ee6c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.931337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023564/manifest.json
observed 39a625f99106ad31a348916700376556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.913802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023564/publication.md
observed dfa9a338ab756ba567e0249910f17567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:54.897085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023564/publication.txt
observed 68ba94c753c343633328e45dd9174a28...
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.