OpenTechnical

OT-2026-000038814

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038814) never changes.

Identity and time

Publication numberOT-2026-000038814 · never reused
Internal UUID01a0ae78-769f-7a13-97ba-852c0581e33a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038814
StatusPUBLIC

Content hashes

Canonical textc0d22be3ff174a4787696055fad8cacc791c842f2b90738346e6c6c5174172f7
Markdown7cda99d48b4d40cc031ba5d2274cb71eb60d45411f281d5b95f364592bb3c470
PDF
Publication pagefac4aae945423554d3799ea64ecda4358d9eb2bb989f281289a008f72b91fd73
Manifest511eb075637e58529fb20d5a035c29e40847ffb9b42cfa14ad12625ff1cb1032

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
Signature8I4SRVI2ghxMfpJfd4hkmuE3MiAL0/y60zMdl2Gr5MDpJJ7HwWZ7LzOOyUG5g8w0RRqztyUGhPgEVJyJf4tfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:22.321281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038814
observed fac4aae945423554d3799ea64ecda435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.303228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038814/manifest.json
observed 511eb075637e58529fb20d5a035c29e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.283488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038814/publication.md
observed 7cda99d48b4d40cc031ba5d2274cb71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:22.262744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038814/publication.txt
observed c0d22be3ff174a4787696055fad8cacc...
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.