OpenTechnical

OT-2026-000012000

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000012000) never changes.

Identity and time

Publication numberOT-2026-000012000 · never reused
Internal UUID01a0ae6d-1943-76d6-b6fd-b4e24977da8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012000
StatusPUBLIC

Content hashes

Canonical textcc0e3d972104dc6b238a5cc7d3442f59792486fb2760e2b51421639f213889ad
Markdown684efa404a7dc388f098025f708c6842999db9566607acdbbb528962cc9cf25b
PDF
Publication page18b0a809a6e1b4b935acebe18a49d024d08edc64bfb87feac041d23c15c3f27c
Manifestdbb5327d2f3c93821fd4b39a485aedd17c90dd00e6e3fefa224c10033c01a618

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
Signature6LqJwJ/AzhTD41P6UY8WPSlzHwzClOko7TjzG0vV4lIBzTEcM70fk+A+w8RBl9JfC0IQoREH8i/d0dTHaqFjCg==
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

2026-09-17T12:12:51.870363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012000
observed 18b0a809a6e1b4b935acebe18a49d024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:51.850655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012000/manifest.json
observed dbb5327d2f3c93821fd4b39a485aedd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:51.828248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012000/publication.md
observed 684efa404a7dc388f098025f708c6842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:51.807993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012000/publication.txt
observed cc0e3d972104dc6b238a5cc7d3442f59...
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.