OpenTechnical

OT-2026-000009202

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, vented 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-2026-000009202) never changes.

Identity and time

Publication numberOT-2026-000009202 · never reused
Internal UUID01a0ae6b-31b9-7e02-9e28-5b97803e252c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009202
StatusPUBLIC

Content hashes

Canonical text6ae79d10b2026a4d3ed26a6bcee07c141a6bb46ff94b0e69b7b7c8bd92029f7f
Markdown670d7f27acdc32608ca67280bc6372d72171ef6d9d1786bc475ef9e77642796c
PDF
Publication page074a5a5aa008216d7e948f1f286da69c37afce2904247831e049e36c25d8b68b
Manifeste706580b0e5877579e609e025c98308604265578f351130e961058ce29c9c5f1

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
SignatureeAsiPVZGJXBDi4yh1koDv1QWPqSuTMAmDjcmWH8pF21NbmchGEeUSLIVb4EL/Qltzf85UwZfZ7MULhox+zZgDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:55.319339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009202
observed 074a5a5aa008216d7e948f1f286da69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:55.299397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009202/manifest.json
observed e706580b0e5877579e609e025c983086...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:55.279638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009202/publication.md
observed 670d7f27acdc32608ca67280bc6372d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:55.260288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009202/publication.txt
observed 6ae79d10b2026a4d3ed26a6bcee07c14...
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.