OpenTechnical

OT-2026-000075432

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000075432) never changes.

Identity and time

Publication numberOT-2026-000075432 · never reused
Internal UUID01a0ae93-f201-7c90-b553-e1a42cd78b2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075432
StatusPUBLIC

Content hashes

Canonical text51c7dc42bd1d616b0a5f3867dd44295bf01976ba197923c714de8d4dc56683d9
Markdownf216a85f3b86b677d44f3405f4e21eed68548d1b7e1ea0c4107ac749745456f7
PDF
Publication page198c50582880ce11cda058f304832907e6efbbaea93659044a62dbf89e70909f
Manifest46b78afaa9a314f10f3400438494c9b703b8f26d98881b49659e4df138f8c5db

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
SignatureMxEvzIlBEhy41OmZHaSOYhh4itxgspADHwaiiHmhMqYbtoEohQqDv6FHAqr2QEsgQdPUUAohHDR/KcOW5NlcDw==
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

2026-09-17T10:17:36.785906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075432
observed 198c50582880ce11cda058f304832907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:36.766085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075432/manifest.json
observed 46b78afaa9a314f10f3400438494c9b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:36.747219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075432/publication.md
observed f216a85f3b86b677d44f3405f4e21eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:36.728133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075432/publication.txt
observed 51c7dc42bd1d616b0a5f3867dd44295b...
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.