OpenTechnical

OT-2026-000049414

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000049414) never changes.

Identity and time

Publication numberOT-2026-000049414 · never reused
Internal UUID01a0ae81-8f7b-7683-b895-9b83f6a22277 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049414
StatusPUBLIC

Content hashes

Canonical text3d57a53ebbb178cd5f9efe1d82a7f978a9b34443345a21cca32dba561b989520
Markdown678329d46a1a7b9713b6b895a34419e2e13c3c4681bcb4745e7d46e3c0ba4c40
PDF
Publication page30c3e2105569010f3397b3b337c4d45ba8160f5113b081a6c529690880ad41d2
Manifestb15467474b01099f603216d9c1f5db002f89d2d8febc177d80d8a0968682473c

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
Signature/u2mJA9+I5pj0vIfg9WGoSDzamQNVZwijUh/hzztz0FlAj2L+BEJuQbLFd29WTYYSijUoMSGAw3Cvti7f+S7Ag==
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

2026-09-17T11:02:14.344668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049414
observed 30c3e2105569010f3397b3b337c4d45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.327072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049414/manifest.json
observed b15467474b01099f603216d9c1f5db00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.310661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049414/publication.md
observed 678329d46a1a7b9713b6b895a34419e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:14.292824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049414/publication.txt
observed 3d57a53ebbb178cd5f9efe1d82a7f978...
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.