OpenTechnical

OT-2026-000076250

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000076250) never changes.

Identity and time

Publication numberOT-2026-000076250 · never reused
Internal UUID01a0ae94-6a6f-77e8-ba9c-912f783adb79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076250
StatusPUBLIC

Content hashes

Canonical text7e9ac57eeb7f8cee724c74c137b9ad50885c733a727962c007b86dc8e28d8936
Markdownf20efe88077f13f46b2bdebaf48bf717c13edde3b481c1e2686402f9350c25a3
PDF
Publication page9942875577f8638e855d4368f6ebd2c66e217a691c8eb5648e1da5ce6352829b
Manifestfc6d1c5be0439c32a4cc08d316efd5721bf547d4f7567412235bebe099daba22

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
SignatureUgWgXXtgmIjb+AjrbrvjDnZm73ghTO5w5s423WEoW1BS+WsIXwvIA//nS1pcYHGCkNvXvx6oYc6Mz2pI+udDCg==
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

2026-09-17T10:11:47.215190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076250
observed 9942875577f8638e855d4368f6ebd2c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:47.194328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076250/manifest.json
observed fc6d1c5be0439c32a4cc08d316efd572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:46.799004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076250/publication.md
observed f20efe88077f13f46b2bdebaf48bf717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:46.774488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076250/publication.txt
observed 7e9ac57eeb7f8cee724c74c137b9ad50...
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.