OpenTechnical

OT-2026-000067977

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000067977) never changes.

Identity and time

Publication numberOT-2026-000067977 · never reused
Internal UUID01a0ae8f-c4fd-7739-aef8-992ba3777dba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067977
StatusPUBLIC

Content hashes

Canonical text2ffcff8671924f4db5b0141f894af0479ae07fb481e81bfb88eb5351c2e47380
Markdown9eea2c60fa7c7eb0a4f3b3ba0d1ca21c27587e9a6a1bcb0f9a288c424eb3961b
PDF
Publication page16d80bb04c3c5bd4727a88c2dc304be254700c37331ff647c3200d764fa076b9
Manifest96ff581818a512139a3c8d9a139acde43f3c318b935f5c495ae3335ec564a213

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
SignaturePPf5jSpNRQPuiTWYgzcWsCbdCrKhKATmwUDHB2SV4UMAFAlItT4IoyWiCnEXRHE66Vsl4En2PvlY5nTGMj/hAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:31.406720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067977
observed 16d80bb04c3c5bd4727a88c2dc304be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.389927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067977/manifest.json
observed 96ff581818a512139a3c8d9a139acde4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.369018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067977/publication.md
observed 9eea2c60fa7c7eb0a4f3b3ba0d1ca21c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.348522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067977/publication.txt
observed 2ffcff8671924f4db5b0141f894af047...
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.