OpenTechnical

OT-2026-000055909

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000055909) never changes.

Identity and time

Publication numberOT-2026-000055909 · never reused
Internal UUID01a0ae87-0a4a-73b7-a9ab-212d201282dc · 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-2026-000055909
StatusPUBLIC

Content hashes

Canonical text077403b4170a47f85d07417e224cba38e1525ecd1db6ec478f9dc8cac97bb392
Markdown7ccaac206c9989020c242713a1c9e63382e5f5bf5d52036377a0b31e0d983c4d
PDF
Publication page73f11c85622b66096f91a5fdcb2e8293c28db6d015e3ef9445b4d6aa729927ab
Manifest5e23459e359f3020fb5dc043b42553fbd061138e78f1fb8662a0d862c8e1313b

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
SignatureoG0SppO55wfvYCi0yabf2uF23hOXMIULpBOqUEtafXRy4cbEylOlGiLpTPN+HKSkGl28MpgbXcYwKvERaKa8AQ==
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

2026-09-17T10:51:23.963749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055909
observed 73f11c85622b66096f91a5fdcb2e8293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.924467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055909/manifest.json
observed 5e23459e359f3020fb5dc043b42553fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.906635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055909/publication.md
observed 7ccaac206c9989020c242713a1c9e633...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.864634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055909/publication.txt
observed 077403b4170a47f85d07417e224cba38...
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.