OpenTechnical

OT-2026-000053086

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000053086) never changes.

Identity and time

Publication numberOT-2026-000053086 · never reused
Internal UUID01a0ae84-a431-7a0e-b3da-2707318c21b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053086
StatusPUBLIC

Content hashes

Canonical text373520698f83a4a0a4647085c44bef7f05a4bb4c24133b9325dfeed3845b9a24
Markdown108d1b7021b3276457b85288ca4817c0e83e543ed6fbc5f39f44eec66a5b603b
PDF
Publication pageea1d25704cb67f9f49f13ac0b014850ebd75657a0528b4f2883827d6964314c9
Manifestdc90f0d79c7425b3160069c38f50dcfc6aa3ad0631ff68300282a86f4c1d91d1

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
SignatureNqwlfhlJyGMLAhMqtkpWxQFUyiMpjtOxE2IkFQTndpDTwe5dYX4q146JQssX3aD42Kprtj4Z3k2MbvXoNiNGCQ==
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

2026-09-17T10:56:48.379927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053086
observed ea1d25704cb67f9f49f13ac0b014850e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.361789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053086/manifest.json
observed dc90f0d79c7425b3160069c38f50dcfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.341839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053086/publication.md
observed 108d1b7021b3276457b85288ca4817c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:48.322605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053086/publication.txt
observed 373520698f83a4a0a4647085c44bef7f...
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.