OpenTechnical

OT-2026-000069111

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069111) never changes.

Identity and time

Publication numberOT-2026-000069111 · never reused
Internal UUID01a0ae90-6dce-7268-a2d1-e068187d78d5 · 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-2026-000069111
StatusPUBLIC

Content hashes

Canonical text4f61e076e89b958efcbe86e9f6a44a575873f22a82cb975da169d4f9eef42b66
Markdown80467af6f962cc5f812b2f43300f6d4aaedd42f9d9ad8c486d756a9796c507c3
PDF
Publication page544e4ca52cee54270873298948f7ffe15b784c02dc7ad9a66637bbb6de15e993
Manifest076b1f88079d3f0281b5b1cc485b3d8636b14e624a7647361f97b4e33dfb5fbd

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
SignatureBH1CKWKhDxR1tBGLCocxuzw7HxHDchI5/7TN4hh1tCXTXiHsFSP9NcZdlW6Zq0CTnudd8s9DCRGyUM6wSoDLDA==
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

2026-09-17T10:28:59.311085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069111
observed 544e4ca52cee54270873298948f7ffe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.294432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069111/manifest.json
observed 076b1f88079d3f0281b5b1cc485b3d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.277317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069111/publication.md
observed 80467af6f962cc5f812b2f43300f6d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.260304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069111/publication.txt
observed 4f61e076e89b958efcbe86e9f6a44a57...
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.