OpenTechnical

OT-2026-000021051

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000021051) never changes.

Identity and time

Publication numberOT-2026-000021051 · never reused
Internal UUID01a0ae6f-65e5-7a5c-b9af-899e6fcb095b · 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-2026-000021051
StatusPUBLIC

Content hashes

Canonical textdaaaefaf19879f3be4adefcb94598f3a7fe9e357fa7e944aee93d37080b0b4a7
Markdown6c05177ab007e1ce8598a90f40ea75d24c2658046e1088403d506420e3e5ab35
PDF
Publication page7243ef5b7afc0d44cd687ad6d33ee35bf4471474a8dcc084ffd56c9bffa49382
Manifestc9eb59e3b04714b902191b9633a1b83397c7f4b0e8a65c90ef6f9120a5f65ea6

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
SignatureGjovV6wC2VscLEOSm+BKk4RAwi765Hv4NOQjGM2OmjEhLDKDLEFAhv+NDQOYIYpIIMs0XWUUYfF1IN577bVmBw==
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

2026-09-17T11:56:13.125914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021051
observed 7243ef5b7afc0d44cd687ad6d33ee35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.108136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021051/manifest.json
observed c9eb59e3b04714b902191b9633a1b833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.088590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021051/publication.md
observed 6c05177ab007e1ce8598a90f40ea75d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.069787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021051/publication.txt
observed daaaefaf19879f3be4adefcb94598f3a...
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.