OpenTechnical

OT-2026-000076385

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000076385) never changes.

Identity and time

Publication numberOT-2026-000076385 · never reused
Internal UUID01a0ae94-6a70-7c63-85a3-35713fd1bfbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076385
StatusPUBLIC

Content hashes

Canonical textc40080e9817465a667c1439d1f394b143558ef3061fe0b1bacbbeafe3ce3b8af
Markdown219ec9fc2bed680cc76d6bec512947794c96495755fc771b44f7b32c390652aa
PDF
Publication page4b4167babe6504f00e6093f0e9b270b8a497a4ae2f220eb1480d539808bc2e8b
Manifestb580df8598c2091616df38b4a96e819ef2426a25d7014efa0ef4ea6e4a90f829

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
SignatureKjoAOSSvRUchs4tCrvIH5fe3L/PO88zN237cDhrd0aJc4gB/nPev/p/0dMjTUe/ukwPFbKhq3s3a7/IyY0LgDw==
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

2026-09-17T10:12:15.769020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076385
observed 4b4167babe6504f00e6093f0e9b270b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:15.748031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076385/manifest.json
observed b580df8598c2091616df38b4a96e819e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:15.729135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076385/publication.md
observed 219ec9fc2bed680cc76d6bec51294779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:15.707327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076385/publication.txt
observed c40080e9817465a667c1439d1f394b14...
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.