OpenTechnical

OT-2026-000025340

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold 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-2026-000025340) never changes.

Identity and time

Publication numberOT-2026-000025340 · never reused
Internal UUID01a0ae71-5fa7-71c8-abbb-6709696a9e42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025340
StatusPUBLIC

Content hashes

Canonical textd062f08b38869b9665088bc35d95f0761bf672b3e68262fbe54dbb9c4dfd9b7c
Markdown3680d040855ce156970040073b3edd1adbfbd9a08b4798fcf6d405adbead1e54
PDF
Publication page54d8750d54c2ac10c180f6713c55a5a5193a06aa73992c90774085940b6b40f5
Manifestf0e25c4610dbbefcac0f116c33f0d3c40de05437cfee5375f94eaef9512e8867

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
SignatureT12kkIe5+v1dIUCs+Q2FxXsAdM05Od+MGp+yURo0rCoGgtXtJX0HZ1PRkDi7acT/kKaeiC3jBRo9YiAqGwf6Dw==
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

2026-09-17T11:47:22.098778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025340
observed 54d8750d54c2ac10c180f6713c55a5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:22.079913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025340/manifest.json
observed f0e25c4610dbbefcac0f116c33f0d3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:22.061517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025340/publication.md
observed 3680d040855ce156970040073b3edd1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:22.034923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025340/publication.txt
observed d062f08b38869b9665088bc35d95f076...
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.