OpenTechnical

OT-2026-000019635

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000019635) never changes.

Identity and time

Publication numberOT-2026-000019635 · never reused
Internal UUID01a0ae6f-1fb3-7078-b046-b9d226b25de4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019635
StatusPUBLIC

Content hashes

Canonical text467eefb394d70f445d5b020216796b8b9074367d0c17ad4f9ae9718173206848
Markdown634b916a3383b5e406ec1de4c32e457ce917c26dcd90311363d69ce1907cc4fe
PDF
Publication page0c9557a8633fca91a89490dd0575ef551ffd9686e84ad6d4d1abb1f85c50eea3
Manifest7cd51410db92e79f94e7bc04a57230bb2205a156a363cc12e3ea086e292de66c

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
SignaturelTdboX14GAQtjK/flG+Sfrp6esNxPKbClUlINU/P3S6hkdCcnKIDkeM6PKRkwdrh+lnMG+ucdy0dn2GKnf0GAw==
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

2026-09-17T11:57:41.660940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019635
observed 0c9557a8633fca91a89490dd0575ef55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.643185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019635/manifest.json
observed 7cd51410db92e79f94e7bc04a57230bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.624691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019635/publication.md
observed 634b916a3383b5e406ec1de4c32e457c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:41.604633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019635/publication.txt
observed 467eefb394d70f445d5b020216796b8b...
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.