OpenTechnical

OT-2026-000082556

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000082556) never changes.

Identity and time

Publication numberOT-2026-000082556 · never reused
Internal UUID01a0ae97-8cc7-7df5-85b8-a52d0904a9af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082556
StatusPUBLIC

Content hashes

Canonical textd9df08064d0a30607741dbcab1862ae149503489fca7d791d897504fc83e96d1
Markdown5dc9f461c1418b6278fddd5b33b4e2d73a48a721345fb99d2cc656d44e9470f3
PDF
Publication page31b1c512c7fc977b78d4fc24defb9890fb17e1adc15e5a5cf91b5cca7eae2e2b
Manifest8ef8b22f97edf8bfc346df19f05ab605c68b1a5367970d75f84cfe7b709bbd30

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
Signaturedj0R0IirboGemJm9neDRyKPYhsyXPi+qru0EzjdeKW8ZgLo8z++lIuFedENSaxr2evNGqFTBs0jCDwRxmE7IDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:59.647332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082556
observed 31b1c512c7fc977b78d4fc24defb9890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.630929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082556/manifest.json
observed 8ef8b22f97edf8bfc346df19f05ab605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.615085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082556/publication.md
observed 5dc9f461c1418b6278fddd5b33b4e2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.595698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082556/publication.txt
observed d9df08064d0a30607741dbcab1862ae1...
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.