OpenTechnical

OT-2026-000070486

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000070486) never changes.

Identity and time

Publication numberOT-2026-000070486 · never reused
Internal UUID01a0ae91-545f-75bc-a3ec-5899891730d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070486
StatusPUBLIC

Content hashes

Canonical textcb244a59e1c0c0e86fe439fe3ddcf6096a1c16349e862a5a50e1de7403aa7f3b
Markdown7a6c57eef37fe862e826a565c8fbfe8eac42271ff9cb8959011f5844aa07f732
PDF
Publication page368c0663cb3b3c856ad1df476f3b750de8230dba6b7372ea60dccb2c191dd5fb
Manifest6b71c8ea4ded67a551b24c559fa3f5640e86d25d2a98ab3c8784ce532623b0b3

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
SignatureGqRsNB1D5RTeSdT3cGnemdhDOA2CmuhLRHFJQS6h31nhkAa59pJDJg44+p5prxlyOTAGE2epjmg5YJ5Pjup3Dg==
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

2026-09-17T10:26:19.171340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070486
observed 368c0663cb3b3c856ad1df476f3b750d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.154937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070486/manifest.json
observed 6b71c8ea4ded67a551b24c559fa3f564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.138361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070486/publication.md
observed 7a6c57eef37fe862e826a565c8fbfe8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:19.120531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070486/publication.txt
observed cb244a59e1c0c0e86fe439fe3ddcf609...
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.