OpenTechnical

OT-2026-000020763

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down

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-2026-000020763) never changes.

Identity and time

Publication numberOT-2026-000020763 · never reused
Internal UUID01a0ae6f-65e2-760c-afb4-062b264ad30d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020763
StatusPUBLIC

Content hashes

Canonical text77beab0b3b131f6bc6e230c8941435986d94ea7a1d20fd5fbc97f808eacb191f
Markdownaeeb4223c483f8dfedb40fdc97fc225afb83e22bc910246870ab4a6f2ba60bd8
PDF
Publication pagec51d18e20153e5bf92c491d216d3569c4baaf4deb302787d341d35b804a91da7
Manifest33d182cc724b34fc835d008ffa4b43bdd00eeab443618dc7fe60331dc50f31cc

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
SignatureLsrZTrL3mR0uxKLmMk5+tVPsxvFvKfLR2F9K9/nimetTTp/fS5z/QS0L4T81F+zJkDSFOmxKyho0M/Cb45SQAA==
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

2026-09-17T11:55:50.380733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020763
observed c51d18e20153e5bf92c491d216d3569c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.364176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020763/manifest.json
observed 33d182cc724b34fc835d008ffa4b43bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.345372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020763/publication.md
observed aeeb4223c483f8dfedb40fdc97fc225a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:50.327166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020763/publication.txt
observed 77beab0b3b131f6bc6e230c894143598...
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.