OpenTechnical

OT-2026-000068762

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000068762) never changes.

Identity and time

Publication numberOT-2026-000068762 · never reused
Internal UUID01a0ae90-6dcb-74cb-9c1c-d2715299317c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068762
StatusPUBLIC

Content hashes

Canonical text791e00ae516c1a99a4fc43343b1b17e1a29b41e95987a6c92972747d8c4b8124
Markdownf88a20b8f12e912fdeb4d57ae0eb9ceaaa8eeb5fe223508cf7ec6634753996a8
PDF
Publication page97a91cd4d80247d56d72af29db25075e7b3cedcde9d6205006067536084d93ee
Manifest2b78025c70ffe277cffd6e6043275efccaa45c7e119c1bd1972c77b47a695f9f

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
SignaturewBuN+38GOBEQya0BvIGiVbLggoj1EcSiCNd/YZGLCilOnObqSuTMI+VWv5HKe8eRdvMARXSKCgzWeQi4PEWRBQ==
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

2026-09-17T10:28:32.833558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068762
observed 97a91cd4d80247d56d72af29db25075e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.816990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068762/manifest.json
observed 2b78025c70ffe277cffd6e6043275efc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.797608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068762/publication.md
observed f88a20b8f12e912fdeb4d57ae0eb9cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.776007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068762/publication.txt
observed 791e00ae516c1a99a4fc43343b1b17e1...
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.