OpenTechnical

OT-2026-000055747

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, 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-2026-000055747) never changes.

Identity and time

Publication numberOT-2026-000055747 · never reused
Internal UUID01a0ae87-09cb-7c01-8d69-532520238036 · 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-2026-000055747
StatusPUBLIC

Content hashes

Canonical textf963308a9599b1edb720eb1313e8299df9c57a09a0d948e02578f30ea8ea2a6e
Markdownf1ad46850312ca7a6a66f5421986a737f0e82f345ac105edab8f38f5821eb8af
PDF
Publication pagef84fd96ef9a1914f32c73d9326762b73b562b1fcf3eb0c4d2afb49a8d846355b
Manifestf1a7aa40e3bc32d61f62f0be2bc0ab980165aa858d0bac906e1d7afb10e2f51d

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
SignatureNbz0G5hwtPpyAgzEDeLRQmSBai8aJz12lSb1yU+wxOUJXwiKeM/RtaolpKT+bTnOxaTnW6vqp1TUU1x/6cRJAw==
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

2026-09-17T10:51:05.748729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055747
observed f84fd96ef9a1914f32c73d9326762b73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.731525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055747/manifest.json
observed f1a7aa40e3bc32d61f62f0be2bc0ab98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.714491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055747/publication.md
observed f1ad46850312ca7a6a66f5421986a737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:05.695923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055747/publication.txt
observed f963308a9599b1edb720eb1313e8299d...
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.