OpenTechnical

OT-2026-000014954

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000014954) never changes.

Identity and time

Publication numberOT-2026-000014954 · never reused
Internal UUID01a0ae6d-d095-70bc-bf71-88b4b473d7fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014954
StatusPUBLIC

Content hashes

Canonical text73d00cefe24e3f99d56aa5ab8cb54c40d9e71470e3f7f07321414bd54a7e3645
Markdown4982fb9b9875dc248e2b518ed9297044f11f215682e19da7c351d8b58ec3c83a
PDF
Publication page275a41018e4239a21a8e5fec29f11610d7c0600b30cff9255d221802f48774fa
Manifest89676e79e0310af6473c8276c2ad5a4aa56a2e386524aab5b19efb4c232f9cda

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
SignatureI0vFG0mq8XZZS0gT7pp4W24INVrs1QOJ2pQKcQQ0IKLGeu4AoeFq24J3kOnaPZinAQttUHHEk7/mmOFPRgD0Dg==
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

2026-09-17T12:06:54.340495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014954
observed 275a41018e4239a21a8e5fec29f11610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.320607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014954/manifest.json
observed 89676e79e0310af6473c8276c2ad5a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.299997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014954/publication.md
observed 4982fb9b9875dc248e2b518ed9297044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.279470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014954/publication.txt
observed 73d00cefe24e3f99d56aa5ab8cb54c40...
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.