OpenTechnical

OT-2026-000026760

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000026760) never changes.

Identity and time

Publication numberOT-2026-000026760 · never reused
Internal UUID01a0ae72-3451-7b74-bb7a-380d7e0195b0 · 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-2026-000026760
StatusPUBLIC

Content hashes

Canonical text80edb19afee0973093bb1ce31c465ef3f20e87d814d8dad45f9e2370ff60ea9f
Markdown9b775e439c05cc815cc34fffd921b5d01d00a823c4a13758fa987a801f2b2c08
PDF
Publication pagea41b192bde84a30818efb031161bcd7c042befe1578401d2fe4b39b2ec3afba1
Manifest6f02b91676ed1ed5b6baf133c11f042ed55740158aa67a36896ff1e43f6eff20

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
Signature4WocbUUsPv1FzoAnxGpmOdwagICRtJIc7UWyZRWEzDTJK0HVZBI/ag2DGTDKDGqC709qejr5Ax+PFL3DvyVWBQ==
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

2026-09-17T11:43:19.862720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026760
observed a41b192bde84a30818efb031161bcd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.846886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026760/manifest.json
observed 6f02b91676ed1ed5b6baf133c11f042e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.829358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026760/publication.md
observed 9b775e439c05cc815cc34fffd921b5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:19.811170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026760/publication.txt
observed 80edb19afee0973093bb1ce31c465ef3...
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.