OpenTechnical

OT-2026-000037478

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000037478) never changes.

Identity and time

Publication numberOT-2026-000037478 · never reused
Internal UUID01a0ae77-b8ce-7d53-85d5-8f5ef7e1157c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037478
StatusPUBLIC

Content hashes

Canonical text6609e91fb5cdae9ac4d1b6b5e7f6d89cab98a5e54e69d5e28c8be4c2d06c482f
Markdown142cd9a53d55fe78fbd10a8dcd74072fc14efe4acd31d95e9cb0a9b968b821fa
PDF
Publication page244d454b9710eef1a3d97302b1d0f4c49696019787f81a07450e91787d99241d
Manifest0dc46a6a9437515eced758046273e867d7d8be455c686ea64637174a9548567c

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
SignaturecODD2FlVXCfLvfc0I7xTZdGN8R+2I1IcefaHjg559n6B5msV2uZD785N6HNp0ayjoMlTgWS39hOqAhjXMut3BQ==
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

2026-09-17T11:23:55.098901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037478
observed 244d454b9710eef1a3d97302b1d0f4c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.081946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037478/manifest.json
observed 0dc46a6a9437515eced758046273e867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.065707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037478/publication.md
observed 142cd9a53d55fe78fbd10a8dcd74072f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:55.046943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037478/publication.txt
observed 6609e91fb5cdae9ac4d1b6b5e7f6d89c...
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.