OpenTechnical

OT-2026-000015518

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line 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-2026-000015518) never changes.

Identity and time

Publication numberOT-2026-000015518 · never reused
Internal UUID01a0ae6d-ef4a-7f98-a144-362a7a9d577b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015518
StatusPUBLIC

Content hashes

Canonical text78a6805f7f76a69ee7535f35d90617c2115be2b4c5dfbd37e9820360b81b4946
Markdown6790219b68fe6f795c946b4bdb6b16c19b3d621099f6e5a57a5a1374e49079a8
PDF
Publication page901705b66f6756bc9a163e24a1faffe3e18f10415de43d60eec1231fc5502056
Manifest41363d37fe0d7801a69e22e7b8094f644f8ae8b63ee2e1f7c2cb6158102ac905

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
SignatureoSizP0kzrMp5TRqsy/Cu2mO7bBBQ9q/SJ72vq7IfDeAxHFEvyHEX6fsTQMrwF6StOfsJebNxZsvboMTQRM48Cw==
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

2026-09-17T12:06:17.592651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015518
observed 901705b66f6756bc9a163e24a1faffe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.570865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015518/manifest.json
observed 41363d37fe0d7801a69e22e7b8094f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.549949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015518/publication.md
observed 6790219b68fe6f795c946b4bdb6b16c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:17.529571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015518/publication.txt
observed 78a6805f7f76a69ee7535f35d90617c2...
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.