OpenTechnical

OT-2026-000073709

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000073709) never changes.

Identity and time

Publication numberOT-2026-000073709 · never reused
Internal UUID01a0ae93-2b8d-77ec-94f0-047f93f81698 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073709
StatusPUBLIC

Content hashes

Canonical text622d6a9acccfdcff722a64ea1e1f1068eba563bf034b697869a370fa6d8503a0
Markdown4ad1dd113553abf06c993f6a9e9575be8010bb348eef641c4233f607718c23c3
PDF
Publication pagef873b2f398c6a84e8a2c83ba36be84f09873a138f086ce3220055a8b305875a8
Manifesta6184499b0917674e231535511fb193d342f51aa2a5ba115920c215f9b56c5bb

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
SignatureScYz19E2qpKQwmVeiDt5UfVWsIsNQXYHbX/IFJOX+ElNWVTfjp+QXMxaNteXZVPOLcieI7A1kqVKK3YvqFrPDQ==
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

2026-09-17T10:19:46.658001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073709
observed f873b2f398c6a84e8a2c83ba36be84f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.639915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073709/manifest.json
observed a6184499b0917674e231535511fb193d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.621292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073709/publication.md
observed 4ad1dd113553abf06c993f6a9e9575be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.603842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073709/publication.txt
observed 622d6a9acccfdcff722a64ea1e1f1068...
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.