OpenTechnical

OT-2026-000076809

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, pulsed 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-2026-000076809) never changes.

Identity and time

Publication numberOT-2026-000076809 · never reused
Internal UUID01a0ae94-b070-7ac5-95fd-5a9030d5a757 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076809
StatusPUBLIC

Content hashes

Canonical text0ed5960ccb437d951d9533116b150a1a794b5a4d2b99e7546e6d206671e83194
Markdownd8bda4813f99116e0037547faf258dd1cd0afc75b8bb07ea5ffc9741a174c0c7
PDF
Publication page5c607b990a8a01952bc90f9fd156a1f9b3da76561f6056d31f4cfa634a22f601
Manifest551e0ec5e8161753912d22ce02a88fe0fddeb8b27ab86d976ec1434e73a34f99

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
Signature5L5MUwvcDaFtGovtIzEgbmbfmUaTvQppvge+2VCZgltJy7PdDfQAvtu3FHWpcGeSWMtqcNjW9MIUzNyW+J2vAg==
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

2026-09-17T10:09:40.667983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076809
observed 5c607b990a8a01952bc90f9fd156a1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.650958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076809/manifest.json
observed 551e0ec5e8161753912d22ce02a88fe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.632993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076809/publication.md
observed d8bda4813f99116e0037547faf258dd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.614293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076809/publication.txt
observed 0ed5960ccb437d951d9533116b150a1a...
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.