OpenTechnical

OT-2026-000053319

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000053319) never changes.

Identity and time

Publication numberOT-2026-000053319 · never reused
Internal UUID01a0ae85-0a15-7957-8728-1992a6fc3fe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053319
StatusPUBLIC

Content hashes

Canonical text21ce247041fade5d9689c873e85ad98259395a249a673e3ae8ea4a6eb9738056
Markdown2caa366d017607fdc83940f9ce6b275cd694b1188e4d2fb53bbd55548c2bac2f
PDF
Publication pageff43183e2e4f438a0f7843e5a52d2d3d008158652936ec91df5472a3db4f9c08
Manifest36a467b3c6f0dce9465f9adc6950dbd231a5d5c4604af12efed1f893c92edd43

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
SignaturesHM4X1HKrrLzGrAKjFX274c1XBeKaM6VsJzbrttN2//dZEd4LcmuMNVth4/AM6GBFheQkS3Am9WIH7dd5JGqAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:00.895045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053319
observed ff43183e2e4f438a0f7843e5a52d2d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.877344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053319/manifest.json
observed 36a467b3c6f0dce9465f9adc6950dbd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.858537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053319/publication.md
observed 2caa366d017607fdc83940f9ce6b275c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.839023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053319/publication.txt
observed 21ce247041fade5d9689c873e85ad982...
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.