OpenTechnical

OT-2026-000076629

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000076629) never changes.

Identity and time

Publication numberOT-2026-000076629 · never reused
Internal UUID01a0ae94-b06e-735f-af90-0c03917447dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076629
StatusPUBLIC

Content hashes

Canonical text212c2ffc00e3afbdca06f0f72a35d507b2a671bf6226677e9800279ca4e65a7d
Markdowne27ea654e11525804a2653155db7e94c41d718e73abf08750939deb8859b5c57
PDF
Publication page0a869c53138aa340abd274d8897f5a62dd1abd35ca80b37144d03d9a7d23948b
Manifestb856d994ac0bcb191a28275fa2bc0e2d5b0231d9139f4429328fe31cc14727c4

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
SignatureCQRO8wBkx/+jvj3p/FsOb97sxwxxlZDYhHMWJweNm/d8ola6IDo8Cwo79SK/ZrF9hXR3sRuVbX501kBwiWj2BQ==
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

2026-09-17T10:09:21.811596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076629
observed 0a869c53138aa340abd274d8897f5a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.792149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076629/manifest.json
observed b856d994ac0bcb191a28275fa2bc0e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.772795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076629/publication.md
observed e27ea654e11525804a2653155db7e94c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:21.752969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076629/publication.txt
observed 212c2ffc00e3afbdca06f0f72a35d507...
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.