OpenTechnical

OT-2026-000057458

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000057458) never changes.

Identity and time

Publication numberOT-2026-000057458 · never reused
Internal UUID01a0ae87-d5c8-79f2-9d51-7307cef743e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057458
StatusPUBLIC

Content hashes

Canonical text68da1546eb7134d76f0277d7b771f585243ee4ef7e99f5e35db7ab6132628393
Markdownd1a2c763ecdbd98835bf08b6f3a5527a899ea883d2725aacd23a6e3d6ad2405d
PDF
Publication page82c03e7e581e710a4d5777f95fcd6a894a9a88256e1997b27b83817c3cfc3c9a
Manifeste3dea037f45519f1df995e88a4c077bef436ab93f06ee68b215ed3fd2851f053

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
SignaturerC0vWdbDkLuBiBa4frlZod3aucjWTilvG4UkwCLvb9BXob77oef7vGaGzhmXYxTjbrk3d6kH1TRipAbIUgb3Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:45.384299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057458
observed 82c03e7e581e710a4d5777f95fcd6a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.367090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057458/manifest.json
observed e3dea037f45519f1df995e88a4c077be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.345543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057458/publication.md
observed d1a2c763ecdbd98835bf08b6f3a5527a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:45.328190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057458/publication.txt
observed 68da1546eb7134d76f0277d7b771f585...
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.