OpenTechnical

OT-2026-000073703

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-2026-000073703) never changes.

Identity and time

Publication numberOT-2026-000073703 · never reused
Internal UUID01a0ae93-2b8d-721d-b0d7-57cfa5120a8f · 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-2026-000073703
StatusPUBLIC

Content hashes

Canonical text93df5408f8fc5605e87ce79fa8c04a59d3f1a35a2b90c4bb79c30486b0e6f98b
Markdown83535d5fc860dc471a16ae8cea725b0edc3778300cc8b07ad8dc625f2a970be9
PDF
Publication page03456c2ed58de8d67bfd6ec4e71c67f360e8e14c9c21d8d4ed74caee8324e1c2
Manifest2624e1b727ca84bf7c88582c24c9741ef61e540bb50f1deb0f01c598be50ae38

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
SignaturezW0xQX814hOi3vKZB1b+lHFipi84JD19O7VWnHXvti6y436Tdjf2wP+NNIW+94lWakKuatE0vkziYkgA2kTzCw==
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

2026-09-17T10:19:46.194045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073703
observed 03456c2ed58de8d67bfd6ec4e71c67f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.174656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073703/manifest.json
observed 2624e1b727ca84bf7c88582c24c9741e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.156367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073703/publication.md
observed 83535d5fc860dc471a16ae8cea725b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.138935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073703/publication.txt
observed 93df5408f8fc5605e87ce79fa8c04a59...
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.