OpenTechnical

OT-2026-000025189

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025189) never changes.

Identity and time

Publication numberOT-2026-000025189 · never reused
Internal UUID01a0ae71-5fa6-7501-a9b3-cd118af67f3c · 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-2026-000025189
StatusPUBLIC

Content hashes

Canonical textd95b79f534c57c674c105628693dfcf141cd6eb510e779e6d14142a35aafa6d0
Markdown898ba32286bc3a5c5bfdade6d0a5574ca06d5e821b1cc00c2a35dcd7445df8d2
PDF
Publication page6599a368b6462b2c8f74a473c4600cb7145648d31bbf438c0073d4c755adddc7
Manifest4f328664515ecf4f6b22004051a015f8098ac9c0d022ab525dd617ec20ac758c

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
SignaturepRfxS7VkvMYESPI03cGeI3kimhG/H7Vmn0J3TBqiGTynlRBXFTIJQj5s/dEFVh9jY7rd/MfShIeKS5oCJi3uDw==
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

2026-09-17T11:47:10.519047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025189
observed 6599a368b6462b2c8f74a473c4600cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.502444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025189/manifest.json
observed 4f328664515ecf4f6b22004051a015f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.484497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025189/publication.md
observed 898ba32286bc3a5c5bfdade6d0a5574c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:10.467129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025189/publication.txt
observed d95b79f534c57c674c105628693dfcf1...
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.