OpenTechnical

OT-2026-000047514

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000047514) never changes.

Identity and time

Publication numberOT-2026-000047514 · never reused
Internal UUID01a0ae7f-3e59-7866-abd4-66ef723c4e60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047514
StatusPUBLIC

Content hashes

Canonical text38c97fe217f542ca40728c1edf23a1bf291b11200017f16e261e131eb50d63cc
Markdown623b4149c12d0a04938785ebf992430b295312cb550d59c43b891a8b94f2187e
PDF
Publication page1a7a0ef784bb537b2bda49cfb95f4fbbb31bfa0657553a891eeb90c067672db6
Manifest0295ca715d8fc1943e96c2afd03ec0ef888b1c1d3887e36d939211cf88974cdd

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
Signaturef2pDka4npktNdDrg9St5SWJhQfdbKHMNRt8A/RhRQTgSe6H4ZP+dWytfkNu2gFG/1DB/5R0PfZ+eukuS/MtUAg==
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

2026-09-17T11:06:37.153578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047514
observed 1a7a0ef784bb537b2bda49cfb95f4fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:37.077024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047514/manifest.json
observed 0295ca715d8fc1943e96c2afd03ec0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.841214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047514/publication.md
observed 623b4149c12d0a04938785ebf992430b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.823734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047514/publication.txt
observed 38c97fe217f542ca40728c1edf23a1bf...
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.