OpenTechnical

OT-2026-000026968

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000026968) never changes.

Identity and time

Publication numberOT-2026-000026968 · never reused
Internal UUID01a0ae72-3453-70a4-ae2a-1df1afac716d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026968
StatusPUBLIC

Content hashes

Canonical textaf8a485f0275ffdb5c273b0d36581936e93f607199d1e496d6bdd8b959b4084d
Markdownbb8dea075f8ad5eb08ddcee8c2246092d6ff175412d5234320401febe7393676
PDF
Publication page703e147a970d4b6d74dd13fb22c883771b15f905a57f1ad06efc262564bc3b91
Manifest5ac0c21e849c13b3ada46e45b531e0accf93f8dc799c3f05245163be74a18944

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
SignatureO/9B50ABX88oShQxO33hsqhPbUzefhmmUTqJR19XYuNURDt7FNa6KAk9qLXmK5poA5Dfa4zSJlVgIofk9YgpCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:35.479670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026968
observed 703e147a970d4b6d74dd13fb22c88377...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.462736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026968/manifest.json
observed 5ac0c21e849c13b3ada46e45b531e0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.446823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026968/publication.md
observed bb8dea075f8ad5eb08ddcee8c2246092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.430556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026968/publication.txt
observed af8a485f0275ffdb5c273b0d36581936...
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.