OpenTechnical

OT-2026-000075181

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000075181) never changes.

Identity and time

Publication numberOT-2026-000075181 · never reused
Internal UUID01a0ae93-f1ff-7d19-b237-591f17e12e0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075181
StatusPUBLIC

Content hashes

Canonical text8a041bc832b413f6fefd6006448013c7522802987c471862bbbfe7903d016cec
Markdown4d973b958fadef511bc932429259ee43665eebf21f278d3f1d19e104b4d18803
PDF
Publication page4f9c733ad83c87c99ebe6818566e4c0f021e0cedfd1fcc0b021f9d5067c6ff05
Manifestb04b0a51bd46f93bad3861e75145b7ce9a42c4155b68290b018f3a3f253e2843

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
SignaturecDKcPMs89VaKC91n6QHy1h8wO5b+Zbgv1QfShF8FKDTTEPLt/FO2R1Gl4RlhgiQo96ZnhtKGyMdXlWvohCYxDA==
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

2026-09-17T10:20:25.857162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075181
observed 4f9c733ad83c87c99ebe6818566e4c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.830646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075181/manifest.json
observed b04b0a51bd46f93bad3861e75145b7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.812242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075181/publication.md
observed 4d973b958fadef511bc932429259ee43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:25.793218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075181/publication.txt
observed 8a041bc832b413f6fefd6006448013c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:35.205843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075181
observed 4f9c733ad83c87c99ebe6818566e4c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:35.064474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075181/manifest.json
observed b04b0a51bd46f93bad3861e75145b7ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:35.045124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075181/publication.md
observed 4d973b958fadef511bc932429259ee43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:35.025925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075181/publication.txt
observed 8a041bc832b413f6fefd6006448013c7...
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.