OpenTechnical

OT-2026-000102172

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000102172) never changes.

Identity and time

Publication numberOT-2026-000102172 · never reused
Internal UUID01a0aea4-50f3-72e8-8b14-3d68bc6fa031 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102172
StatusPUBLIC

Content hashes

Canonical texte1a7d20ed60fbe7be4d4811b9981071145aeae6a71da87f8adc449d911dfab4a
Markdown4e2444da1e9531328a72a71b9a5352e4a4d63b9080dfa3ecc6f5953c2ad6c819
PDF
Publication page2bed7b571ac088516deb20343c89bf7a146702cba3b56560084cdbaf7d439e18
Manifest9a8cae39bf89a13ce8331cafeeb4f0926035679ab606f4029a5a735e2424f5c2

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
SignatureytIVqtwE/xCKv5xpEtMAHGH9jWI/DvUNJ7gGIblHjKMx9lpqb9uZqf1gwrVY72o7xAukfiUwBWLQa8dBwzZPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:20.558633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102172
observed 2bed7b571ac088516deb20343c89bf7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.539803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102172/manifest.json
observed 9a8cae39bf89a13ce8331cafeeb4f092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.520585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102172/publication.md
observed 4e2444da1e9531328a72a71b9a5352e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.501818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102172/publication.txt
observed e1a7d20ed60fbe7be4d4811b99810711...
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.