OpenTechnical

OT-2026-000037894

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000037894) never changes.

Identity and time

Publication numberOT-2026-000037894 · never reused
Internal UUID01a0ae77-f88a-768e-bfe7-d8ada2268df2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037894
StatusPUBLIC

Content hashes

Canonical text59fb02c932bda21c627525433110eae8efa98e6ee92ee92a4688e902a600fa81
Markdownc39fe410390e9e8a4a0f9610542e12a388491b9228fdb508dc2153f1a7410fe2
PDF
Publication page41d57bb3e6349d48a5e47c1127e38d5eb57e5a763f5a6f335e5856f4d30d49ea
Manifest31eda3b0b4c7302c486e0cc047be3524f7746b5a14c454d7eb250ad946ad056a

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
Signature+gmuVeql0DDHwoYQDdoLzfS7Wz1hsIYJxZhbjIScRkYdTT56JaDTwZhqvOCj74ZBrIKg0qEkwx39/NbJ377/CA==
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

2026-09-17T11:23:09.618275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037894
observed 41d57bb3e6349d48a5e47c1127e38d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.599948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037894/manifest.json
observed 31eda3b0b4c7302c486e0cc047be3524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.583285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037894/publication.md
observed c39fe410390e9e8a4a0f9610542e12a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.567102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037894/publication.txt
observed 59fb02c932bda21c627525433110eae8...
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.