OpenTechnical

OT-2026-000059198

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000059198) never changes.

Identity and time

Publication numberOT-2026-000059198 · never reused
Internal UUID01a0ae89-8613-7c98-9025-ff61cb8c3440 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059198
StatusPUBLIC

Content hashes

Canonical texta6a4ce1feda0bd73174b0c715ba59bba11f4731117a9a2afbb129c132b3b0f9b
Markdown71aca10a533e56d0d6280ece9065cb77be8c43672e39dd12c2f66c6d4868a517
PDF
Publication page41fe15c6b895207e04dc07905dc93ad6a7fbaee48b513b68b7ff4846d66b24da
Manifestd4ca041d56c3441e0da7275362edbc8c6bcb41591f845cf11f5a9c1700a40c61

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
SignatureY8W3C1NTe363t0lsBvq5YCjidWU0iY7V6kpKDqQa1jCTJbJDBqPvhLiM/PezF/o8SQndzS9M7Dmyd5V60gwUDg==
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...

Independent retrieval

2026-09-17T10:45:09.737097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059198
observed 41fe15c6b895207e04dc07905dc93ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.721295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059198/manifest.json
observed d4ca041d56c3441e0da7275362edbc8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.704410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059198/publication.md
observed 71aca10a533e56d0d6280ece9065cb77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.687830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059198/publication.txt
observed a6a4ce1feda0bd73174b0c715ba59bba...
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.