OpenTechnical

OT-2026-000072665

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000072665) never changes.

Identity and time

Publication numberOT-2026-000072665 · never reused
Internal UUID01a0ae92-89d9-79c0-8850-9f2dbf3cbc8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072665
StatusPUBLIC

Content hashes

Canonical textdbb52efc36651097628abe63a95a343ff0672a61758c084352262cbef7bf079e
Markdown872afc3148eeee2a5c361de75b1eb0b6e81a53c2fbddeeace16ac4d6081b352b
PDF
Publication pageb0580c62a53b90ac29f09a70822ed2561020f073c6e2af98607a8a136509b52b
Manifest9320cf44585f96f8ee4eea026506e0920ac36aed5236d4f3af602a23199bf73a

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
SignatureldHT5vkzxTpf0t/NYsEPBNZhsimNunTp9m2gdZpjws0HUcKieWr/n0m1vP+2tX2VLek31aHClbhfY/JE3vAoDw==
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

2026-09-17T10:22:31.959099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072665
observed b0580c62a53b90ac29f09a70822ed256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.942937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072665/manifest.json
observed 9320cf44585f96f8ee4eea026506e092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.926679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072665/publication.md
observed 872afc3148eeee2a5c361de75b1eb0b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.909472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072665/publication.txt
observed dbb52efc36651097628abe63a95a343f...
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.