OpenTechnical

OT-2026-000005212

Publication integrity record

Porous face vacuum gripper, common isolation valve, three outlet manifold, pump fed, open cell

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-2026-000005212) never changes.

Identity and time

Publication numberOT-2026-000005212 · never reused
Internal UUID01a0a931-762b-7c37-b9d4-2ca006ba75ef · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:49:46.158475Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005212
StatusPUBLIC

Content hashes

Canonical text970125974e50692fa2a120499d6fcedc7b981a1073afedeef4470a7d830a0940
Markdown0f9d0d5954a67e14c17c7e9a6a40fbad8638a2b8808fd609f82669ae74521a63
PDF
Publication pageee91ee59d8edcc3d83f275c1e28358c45abaff9448097524623eaa00416a903e
Manifest17e80d4359c7ae656d4ff41fb1aeb1ec2c117ea721e7f178b947ecb9dc5abd33

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
Signaturev7wV7fcdd3y7J++Orb2yyN+rT7kNiJvTGvALdQGnZv3nCz/BwdPEBiIcbgcIgWC47jN3r2KGMFgp3tNjR+bnDQ==
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

2026-09-16T07:50:03.196843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005212
observed ee91ee59d8edcc3d83f275c1e28358c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:03.184557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005212/manifest.json
observed 17e80d4359c7ae656d4ff41fb1aeb1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:03.172871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005212/publication.md
observed 0f9d0d5954a67e14c17c7e9a6a40fbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:03.160531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005212/publication.txt
observed 970125974e50692fa2a120499d6fcedc...
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.