OpenTechnical

OT-2026-000055142

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000055142) never changes.

Identity and time

Publication numberOT-2026-000055142 · never reused
Internal UUID01a0ae86-5e82-7cc1-b6e7-880b5cea0428 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055142
StatusPUBLIC

Content hashes

Canonical text487b26320a517aecde7bc7db11465e8dd3b3cba0b78e42bb7d9c2a9cf1b6c49f
Markdown0833c0b72bd02e8668ddb89d7c7d4a2d1041d75229ab0dfd3b5c0e11c09ed074
PDF
Publication page6fdf12669b4c5d8c8fc2f29a8671cac8eb91f9fe524811f1d860152455c8a266
Manifest3af013532cd065e149e542fdc319cb23274f135792693dfc5775985c709256ea

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
Signature2U6HIFhU6d5I9jjZw5t0dzHsB2xMqVQxvoqYx4sTD7Bp/RSPCsZIuaNhaYaRyB6EB449olmZRYN1Cp3fSRhuAg==
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

2026-09-17T10:53:19.159699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055142
observed 6fdf12669b4c5d8c8fc2f29a8671cac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.141213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055142/manifest.json
observed 3af013532cd065e149e542fdc319cb23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.122310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055142/publication.md
observed 0833c0b72bd02e8668ddb89d7c7d4a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:19.103257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055142/publication.txt
observed 487b26320a517aecde7bc7db11465e8d...
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.