OpenTechnical

OT-2026-000034082

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000034082) never changes.

Identity and time

Publication numberOT-2026-000034082 · never reused
Internal UUID01a0ae75-df0c-7f93-872c-9d2c02fa0992 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034082
StatusPUBLIC

Content hashes

Canonical text72932f499d724f3a4e1969b5915f27061c70a49904056fd72708cbf63f90c536
Markdown47301b729d8816158cd76ee2e5df945f7b1aab795d99ae36e3c21bdcfa858c79
PDF
Publication page7275da90ec17d294d39c55c757242d9cc044d148a3efe7bfa2a688fb76314b66
Manifestb54194e744463b7c07a1e732278afbcb6aa90c50fc2a1b4709210aedcaee7577

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
SignatureUGmiTCYAHR0UJVY8h7X3OumPbV4ZG9PtvV6bSxygjk7zqlKa9AyOpEe5BQgM197clM8aXtGrxlpkaiWcuOjqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:26.938778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034082
observed 7275da90ec17d294d39c55c757242d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:26.901441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034082/manifest.json
observed b54194e744463b7c07a1e732278afbcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:26.810944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034082/publication.md
observed 47301b729d8816158cd76ee2e5df945f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:20.163235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034082/publication.txt
observed 72932f499d724f3a4e1969b5915f2706...
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.