OpenTechnical

OT-2026-000088748

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088748) never changes.

Identity and time

Publication numberOT-2026-000088748 · never reused
Internal UUID01a0ae9b-8f10-7079-a277-b4863d700c93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088748
StatusPUBLIC

Content hashes

Canonical text764e9c7f6ef1c77c1770924ca41483dc716eb5eceb0b893a4b088037ec772437
Markdowndfddfec4bc44507e280835b178d9df6622c3a5f35e591ae9ac9e12d3e2cf1a0e
PDF
Publication page79495216f0b3d7edaf8da0f6e8d3c488198be717b7dfeab20c55780ef04a599b
Manifest2a8fa0e2bd5a9236d5dafd66e96038036b502d256a764501e950e9be44a76d30

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
Signaturec7spDOd1wj+XrPfSSIWhvd/cU+6oagUOW2WVcPO1aInEMVVxFyMjT166kn4Yxlrjdmvs0n0D/yiJ5TQpAJdYBQ==
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

2026-09-17T09:47:59.675743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088748
observed 79495216f0b3d7edaf8da0f6e8d3c488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.659696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088748/manifest.json
observed 2a8fa0e2bd5a9236d5dafd66e9603803...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.642784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088748/publication.md
observed dfddfec4bc44507e280835b178d9df66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.626254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088748/publication.txt
observed 764e9c7f6ef1c77c1770924ca41483dc...
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.