OpenTechnical

OT-2026-000060145

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000060145) never changes.

Identity and time

Publication numberOT-2026-000060145 · never reused
Internal UUID01a0ae8a-5a71-7c9b-82f6-b872ddfc7550 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060145
StatusPUBLIC

Content hashes

Canonical text12b3b2d80bc0968aa530ef1ed68c6d3ab170e9347d8af348926efb92b5e58f59
Markdown68a8b64bdaacaa6aa6aa5c2b29eeedbf43e62095035e4760532e531a8dc2cf54
PDF
Publication page1920139f53eb23112cfbf906387ef0e9fae0bc59d37e4208747d117dfb4ec385
Manifest25884b6efe734776a532c92c4d47f79ecd3755305e7f8c477ad8a55748e3b7cd

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
SignatureqIb/PfaiaQCCLpk+lA4djx8EbAt4F1ygK1i04baBMClj1fqWWjSDPJYfbOn08qBnEZpNB9MCk3HaILMernHeDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:48.166630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060145
observed 1920139f53eb23112cfbf906387ef0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.148953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060145/manifest.json
observed 25884b6efe734776a532c92c4d47f79e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.132554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060145/publication.md
observed 68a8b64bdaacaa6aa6aa5c2b29eeedbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:48.114367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060145/publication.txt
observed 12b3b2d80bc0968aa530ef1ed68c6d3a...
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.