OpenTechnical

OT-2026-000005284

Publication integrity record

Porous face vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure verified

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-2026-000005284) never changes.

Identity and time

Publication numberOT-2026-000005284 · never reused
Internal UUID01a0a933-ddb9-75de-afbc-f7f814da15e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:52:23.740929Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005284
StatusPUBLIC

Content hashes

Canonical textf7b38468646fa256c3b1a103fe05cb807afbf25a29c934b89340f2a0a0f257a2
Markdown8f54e8c44266b095dfcd4357e240e96a1d68ee29d7d3956f29514b81d2e78cb7
PDF
Publication pagef403811021a26fab158d4a1fbaeb6be07522adc38244b7e0d997fd915e39eeb8
Manifest968dcca2c62fc08dffdfcbf2e7c53b911d414902fdc2d1c5738b526355b26027

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
SignatureUaKhLVx0mQAL09x335V33cnZe4BnmyEGCy6x8QQEdf9Zjzshrw/xXTvHH1dCudto4mMH0cYjX8NYZopMwfr3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:26.929888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005284
observed f403811021a26fab158d4a1fbaeb6be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.917096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005284/manifest.json
observed 968dcca2c62fc08dffdfcbf2e7c53b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.901997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005284/publication.md
observed 8f54e8c44266b095dfcd4357e240e96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:26.888521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005284/publication.txt
observed f7b38468646fa256c3b1a103fe05cb80...
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.