OpenTechnical

OT-2026-000025434

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000025434) never changes.

Identity and time

Publication numberOT-2026-000025434 · never reused
Internal UUID01a0ae71-5fa7-7824-ba41-6649d80110e7 · 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-2026-000025434
StatusPUBLIC

Content hashes

Canonical textf55923b6ae09b961766d6476eced60880796c1fc03570a0951999780afb3912d
Markdown07c6f13e9814a65f102f3b27187d973326fb17d7d362e435dc15ec3215b8a212
PDF
Publication page8e777b7072a4afa35996abf16a73c7c30f3df89c72c103566b69d6b64c002775
Manifest52e633da84c5fc1ebdf4aa46b9b256f8ff9c03ca2fdb1454c69c8fb8c6677359

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
SignaturevwDUNKbvhIHDLrkla+Cot2F3pvPgpjFtITiWBsuijt7JrltfJ0zEpLPB87xeS+mj0lYtpsj1myKxmuaKvzsiDQ==
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

2026-09-17T11:47:30.369151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025434
observed 8e777b7072a4afa35996abf16a73c7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.352140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025434/manifest.json
observed 52e633da84c5fc1ebdf4aa46b9b256f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.335890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025434/publication.md
observed 07c6f13e9814a65f102f3b27187d9733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:30.316320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025434/publication.txt
observed f55923b6ae09b961766d6476eced6088...
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.