OpenTechnical

OT-2026-000102568

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed 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-2026-000102568) never changes.

Identity and time

Publication numberOT-2026-000102568 · never reused
Internal UUID01a0aea4-858a-7017-8173-465c78e6c444 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102568
StatusPUBLIC

Content hashes

Canonical texta0d1814f9ce6bf8a2555a5668b784f4806aa71620f4f2136efaed70cd95b6066
Markdown08e29597d92eb9d635a8f7b73053d7f59432aea8f2de84b2a7e99a14e5eed4a6
PDF
Publication page86aaa20c4781331a7cf43ea7081d99a0b7b5d93af2bc5c0c4871f91b51a4f827
Manifest8c9d7338a0f1addcc397f8e45673426256df52a4d1ddbbe14aa758d8a57599b6

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
SignatureWINVip946N2n1PgYpokjkRX+yZcmc/8HuwcN/OMRUhtwA586sekds+af1x2uGqZevco3nJqew9bZtrAKVYkpAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:03.103661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102568
observed 86aaa20c4781331a7cf43ea7081d99a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.084345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102568/manifest.json
observed 8c9d7338a0f1addcc397f8e456734262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.065508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102568/publication.md
observed 08e29597d92eb9d635a8f7b73053d7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:03.044481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102568/publication.txt
observed a0d1814f9ce6bf8a2555a5668b784f48...
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.