OpenTechnical

OT-2026-000059497

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059497) never changes.

Identity and time

Publication numberOT-2026-000059497 · never reused
Internal UUID01a0ae89-8619-7d13-9872-f17f4d2613c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059497
StatusPUBLIC

Content hashes

Canonical text2394f72a235f22af64af313a389b57b7274f8ef3f9335ca3731ef6c9d98cc4c6
Markdown642af74cbbd0d5e4be01c2057f96c796ac372f989584763ba96cad8e67ca58d2
PDF
Publication pagec26caaf00acd8d8da838067e63fbeefc91958a57ee4d75fcdbf83ddd3db2ec53
Manifest2cdb05a45291cf7926767816552eb8d91469944e6aea9fe1c688d966a2e6b16b

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
SignatureeGv8WqcxmpkcPJ0xbCEQnks+1dCkWDv1qM+9euDb6Loav37CoeXvbMtNpp0k33PeaGzs+UnUy2P35SurbeqlBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:12.408414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059497
observed c26caaf00acd8d8da838067e63fbeefc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.389499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059497/manifest.json
observed 2cdb05a45291cf7926767816552eb8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.369173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059497/publication.md
observed 642af74cbbd0d5e4be01c2057f96c796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:12.351016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059497/publication.txt
observed 2394f72a235f22af64af313a389b57b7...
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.