OpenTechnical

OT-2026-000079885

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, sustained blow-off 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-2026-000079885) never changes.

Identity and time

Publication numberOT-2026-000079885 · never reused
Internal UUID01a0ae96-4376-74e4-96d0-9f62504d059e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079885
StatusPUBLIC

Content hashes

Canonical text7c3444fc75caf955a53c59c6286777c654233ee3b9d1df9dd53c5dc44e8f2b58
Markdowna846a1de80be0026ab2adca26a4eaf1047d0bf8c5971bc79b1e8f26dbc9fb85d
PDF
Publication pagec73fc50734a93b0c7de6afd2e2758e64effe93acdde1449afbd5daf72e5f75ab
Manifest76d217094e9ad3815f02cb28f821d996411a3e9d8d20f4c3a49ae84c4e069ebc

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
SignatureeyyErtANEi5AbNl4HioBxPzuF/EYn5t64KESi/ta09Zu1AuVhbr3Pf6/vsJgOthhGgM5gs22z6tELhvVNtrvDw==
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

2026-09-17T10:03:46.703122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079885
observed c73fc50734a93b0c7de6afd2e2758e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.686024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079885/manifest.json
observed 76d217094e9ad3815f02cb28f821d996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.665857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079885/publication.md
observed a846a1de80be0026ab2adca26a4eaf10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.644691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079885/publication.txt
observed 7c3444fc75caf955a53c59c6286777c6...
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.