OpenTechnical

OT-2026-000005586

Publication integrity record

Vacuum cup gripper, two zone face, common isolation valve, pump fed, pressure verified, polyurethane cups

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-2026-000005586) never changes.

Identity and time

Publication numberOT-2026-000005586 · never reused
Internal UUID01a0a93e-238d-736a-9637-5bd8b51f5415 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:03:36.976264Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005586
StatusPUBLIC

Content hashes

Canonical text658f0f38f951b54c4f8e4bd639a8e3a1c0a83a3f163f1d8c51a0c1aa379cbce3
Markdown72b01691fee297ef1083deee5d88dae4a7f2a4be83fe77186dbce82df4de8f7b
PDF
Publication pagede07e4340fe4916b147c0b887155d9a844d62faf4336e542bca3354597290d7c
Manifeste3b4c8850b7f7dfe2c79c348b6027c7cd6390ab3e801f56b598daa6d63cdb958

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
SignaturecJ01yAoeX9olk2avLJaG7oRJu93Em8RYXfwiNqMAlGO/VDWaUoDeZ9e4R/wKSR1Lu7Uk5XSqXbNQ8i0G1YhADw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:23.725417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005586
observed de07e4340fe4916b147c0b887155d9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.711392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005586/manifest.json
observed e3b4c8850b7f7dfe2c79c348b6027c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.697928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005586/publication.md
observed 72b01691fee297ef1083deee5d88dae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:23.682019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005586/publication.txt
observed 658f0f38f951b54c4f8e4bd639a8e3a1...
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.