OpenTechnical

OT-2026-000073033

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000073033) never changes.

Identity and time

Publication numberOT-2026-000073033 · never reused
Internal UUID01a0ae92-c816-7b4d-806d-25ae490d08bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073033
StatusPUBLIC

Content hashes

Canonical text3d1b19db5e40c4e2ff06c13e0ed3d83f2d59820e631f8281005afaef5a387ad4
Markdownbd46f051d9de166c7bc10c1ccef28f6e406b4acfcff9685634febcea9cff911a
PDF
Publication page1ebdcf6b48672c82f4d4e1551ed3dfdbf9f9ca9c3fa9b6ead5c38eaeb926b52b
Manifestdd5d18715f11f4853b04aea102ae643f78a293f141a62b0ad1232d7bbd2eed30

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
SignatureJIDcVX+NJngokeR1DEw8yptCszZRXKtdXt3NxsWnrvVMEKdnKQ6pL8OE8u5JmpMcFwzsZjPKtb568OTcsKjHCA==
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

2026-09-17T10:21:58.454433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073033
observed 1ebdcf6b48672c82f4d4e1551ed3dfdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.437530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073033/manifest.json
observed dd5d18715f11f4853b04aea102ae643f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.420661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073033/publication.md
observed bd46f051d9de166c7bc10c1ccef28f6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.403391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073033/publication.txt
observed 3d1b19db5e40c4e2ff06c13e0ed3d83f...
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.