OpenTechnical

OT-2026-000013015

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000013015) never changes.

Identity and time

Publication numberOT-2026-000013015 · never reused
Internal UUID01a0ae6d-5564-744f-a557-304c81f3166d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013015
StatusPUBLIC

Content hashes

Canonical textb95347c899eabb72d2e995bb7e91cd318a13c5b71ba0c9c95758409e5e33e2dc
Markdownc2e7af40dbf1f5bcd3b21c6b79535e2a69876328f863364a624d8eb7f48e4abb
PDF
Publication pagebff427e12e81b1ec9f186814a9acb1f4c3899a3ae4c2e1955c864abafd1fed80
Manifestcb5e8a19e3fbb961cb6684015c59837c68b8087b1403ea43875509bd342ecbb8

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
Signatureiz0kT8Up4meFuJd+dJBQmCBSP2MGD/GFN4+hOCv8oOItejqXr97Ljaq3y18fSpYGnOExYhdec/9GZ+OnAffiDw==
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

2026-09-17T12:10:50.367333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013015
observed bff427e12e81b1ec9f186814a9acb1f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.349470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013015/manifest.json
observed cb5e8a19e3fbb961cb6684015c59837c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.331613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013015/publication.md
observed c2e7af40dbf1f5bcd3b21c6b79535e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.313687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013015/publication.txt
observed b95347c899eabb72d2e995bb7e91cd31...
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.