OpenTechnical

OT-2026-000068522

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, 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-2026-000068522) never changes.

Identity and time

Publication numberOT-2026-000068522 · never reused
Internal UUID01a0ae90-2482-7492-abba-4d73a727f4cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068522
StatusPUBLIC

Content hashes

Canonical text83ec8c14bb162f9fb871c7eba849d8ba527d8e2866f7b87de9d92882c1c6089e
Markdownd81ac6c80e23df15cb981187e027bf792265ab8fdcd37932fe1a0c1ad8f129b3
PDF
Publication pagef83ac61c98f5e6a26ddd35950c75228c17d76a7981ae04db5c8b7aefebe8e4b7
Manifest2d4c0ccfa047d63090bbc877b849bb946911695c15186ba0d022a6f101addade

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
Signature2UVwJpOI/wUygQJ4w5dko/Co00LBaZP2bw1bQb1M597lduMF+tsWr2nLqV+RXQrBC67yy4wj0qfwpRbGNrt7Cw==
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

2026-09-17T10:29:40.944107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068522
observed f83ac61c98f5e6a26ddd35950c75228c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.925614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068522/manifest.json
observed 2d4c0ccfa047d63090bbc877b849bb94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.908311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068522/publication.md
observed d81ac6c80e23df15cb981187e027bf79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:40.891033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068522/publication.txt
observed 83ec8c14bb162f9fb871c7eba849d8ba...
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.