OpenTechnical

OT-2026-000055743

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000055743) never changes.

Identity and time

Publication numberOT-2026-000055743 · never reused
Internal UUID01a0ae87-09cb-7982-a455-f6dca2738991 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055743
StatusPUBLIC

Content hashes

Canonical text01b7f8d7c04e89cf28f4dfeec73baa6f67ef3877aac7a9452e3b9f53f7389cc4
Markdown25a0bdc9fdc79cc5effba03346ba2bd4a2f1c08f7214e209b6510472e0e5c9a0
PDF
Publication page2c6f00ce6d9038a9db4eb58592f2a8578b94196fb835d41d8a88f632ec665529
Manifest232d0adbc8ee14db8d3d8ebf92496e1c14fa992c1493ea6b1b6f065ed6e65f81

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
SignatureMiT0WwYvZ56akW5vn4tndpLGpqgbdCpvbUkSIXakIlhiXO4eLmZKIOYYPPHHSZuK0N+hLHWYsabjMO5eIP/lDA==
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

2026-09-17T10:51:05.527063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055743
observed 2c6f00ce6d9038a9db4eb58592f2a857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.509300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055743/manifest.json
observed 232d0adbc8ee14db8d3d8ebf92496e1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.489899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055743/publication.md
observed 25a0bdc9fdc79cc5effba03346ba2bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.470041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055743/publication.txt
observed 01b7f8d7c04e89cf28f4dfeec73baa6f...
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.