OpenTechnical

OT-2026-000025013

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000025013) never changes.

Identity and time

Publication numberOT-2026-000025013 · never reused
Internal UUID01a0ae71-2728-7170-942e-6c6768a6d44d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025013
StatusPUBLIC

Content hashes

Canonical textebe756e38821af8e7a693cac39e26c9cf39a60a842ef17ee60c2c11fd570de6b
Markdown40ae4fb76ef08be41b1d8d911ae67cc6b7a952d56ef17ae2118a8c540ae28f00
PDF
Publication page50b5ee2b264521e0edc831fa7a2e671fc92962c0acde245de805b3dd47e1aeef
Manifest39c8a1f0b9e3f5a751c398548bc345f4f765b645388ee39645e2db426b4c4351

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
SignaturevVIGQYiWg0fwNrQ3VIOuBacoETdRlvqAoGlyX0O7YR8XFhGJuczr8gO51aKD8yA6i1TOpRw1dWnL8zNFyz14Cg==
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

2026-09-17T11:48:24.815698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025013
observed 50b5ee2b264521e0edc831fa7a2e671f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:24.787891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025013/manifest.json
observed 39c8a1f0b9e3f5a751c398548bc345f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:24.770360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025013/publication.md
observed 40ae4fb76ef08be41b1d8d911ae67cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:24.740641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025013/publication.txt
observed ebe756e38821af8e7a693cac39e26c9c...
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.