OpenTechnical

OT-2026-000075125

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000075125) never changes.

Identity and time

Publication numberOT-2026-000075125 · never reused
Internal UUID01a0ae93-f1ff-73c6-8299-657409bd8618 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075125
StatusPUBLIC

Content hashes

Canonical text3f1e7b782f409f957d1bb85c9531de34cbdb41cfed57d90c1e28493b6ea19463
Markdowncf4e1d97429e16cec24a48c92652911b65c175f609d88b48fa86e36263d74461
PDF
Publication paged19c372525177c700ae47a2163de4342014bc9d12aaafe18ad9aa07334d67e0d
Manifest48fb65acadfadeabf746c1b2610683cce6e75dc62ac1fe13ed7312d1b8be80ae

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
Signatureec3k6sxjalVoscdNjTynHVLk4vsModC2JCunmPT5Mhk6QylbFophFi8loxyfQZLuHkdCa5Ybdpz09+0OC7XXAg==
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

2026-09-17T10:20:20.390557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075125
observed d19c372525177c700ae47a2163de4342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.370416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075125/manifest.json
observed 48fb65acadfadeabf746c1b2610683cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:19.749968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075125/publication.md
observed cf4e1d97429e16cec24a48c92652911b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:19.689856ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000075125/publication.txt
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:21.016891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075125
observed d19c372525177c700ae47a2163de4342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:20.998609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075125/manifest.json
observed 48fb65acadfadeabf746c1b2610683cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:20.980624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075125/publication.md
observed cf4e1d97429e16cec24a48c92652911b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:20.962665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075125/publication.txt
observed 3f1e7b782f409f957d1bb85c9531de34...
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.