OpenTechnical

OT-2026-000052699

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum 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-2026-000052699) never changes.

Identity and time

Publication numberOT-2026-000052699 · never reused
Internal UUID01a0ae84-a42c-7e74-a134-be6379a7b712 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052699
StatusPUBLIC

Content hashes

Canonical text19035149cfe1b71143e6959b598e00a34c5599566cacfcaf38ddc65787f2ca91
Markdown54553a53a484fdd19e9101cb47475de4ca21802ec2547d1a62b1d1068f6df861
PDF
Publication pagec0184c67a8540388300d67bdef78e0c2996f8c3032fafaf3e95d31e8ba16fd0e
Manifestb003edb4365793d68dda5862800762af378a3fc9b71c4ba43838575b8dc413b6

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
SignaturerNg+8rsW+egbhCGLdeLWfv9dMnwHahtJQ0OiIFlJqEzDbbVuptfEL+R+W/eSMDeUk+0grY2I01Bd+yzyHGmPCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:41.028051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052699
observed c0184c67a8540388300d67bdef78e0c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:41.007672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052699/manifest.json
observed b003edb4365793d68dda5862800762af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:40.987501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052699/publication.md
observed 54553a53a484fdd19e9101cb47475de4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:40.969896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052699/publication.txt
observed 19035149cfe1b71143e6959b598e00a3...
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.