OpenTechnical

OT-2026-000068067

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068067) never changes.

Identity and time

Publication numberOT-2026-000068067 · never reused
Internal UUID01a0ae8f-c4fe-7780-af31-a18e5dca4caa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068067
StatusPUBLIC

Content hashes

Canonical text18006c1a43fdda82c190f63e6bca43159dfd8b6f70339304d71d5bda829f22f3
Markdown53767f4d9d1b590a57b42d2dd8e12fabda49868f7f4014df70577dffd310e6fc
PDF
Publication page2ced43b376d12add250808525acf5ad597537d76fa141cf18d257a9e1c79fe9c
Manifestd0b008ae2e872a84a46281660b862672c012399f16d7b2e177ef5fa3cf5398fd

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
SignatureDUU+yXHHd4nEdzbpUABOvoiuh/0yVb3q856YBoKkii8sEiiH/lM8NkqG5TnIGUJxUsU9Cx/VINQxbH6ozt+ZAg==
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

2026-09-17T10:30:39.229525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068067
observed 2ced43b376d12add250808525acf5ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.212379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068067/manifest.json
observed d0b008ae2e872a84a46281660b862672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.192532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068067/publication.md
observed 53767f4d9d1b590a57b42d2dd8e12fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.175544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068067/publication.txt
observed 18006c1a43fdda82c190f63e6bca4315...
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.