OpenTechnical

OT-2026-000043359

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000043359) never changes.

Identity and time

Publication numberOT-2026-000043359 · never reused
Internal UUID01a0ae7b-327e-7479-8343-68c505492fd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043359
StatusPUBLIC

Content hashes

Canonical text8a5572245989794c1d0421496eba082b6611d2db85fac9b34f4fd936e627c6f2
Markdown2e30825cfced9f5379bde92dc58185cf90a087147d0ce0da7540ec0e81d4071d
PDF
Publication page7d9de023476b9e96f0c4eb911bfc6530a75c37922606a30c6d98239de51663b4
Manifest09dbacb7ccd2fe92984a5446b0ee3553837610b29197bcef821159e7377d2c89

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
SignatureYIQNrrEckgn4bbJFHE8EGKRuClPfZV1xB08TeY+sI0po7ByVz0UORdtIRzRs2H6hVXiXHyHjhv/0uf1q/hibAg==
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

2026-09-17T11:13:52.718398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043359
observed 7d9de023476b9e96f0c4eb911bfc6530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.698024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043359/manifest.json
observed 09dbacb7ccd2fe92984a5446b0ee3553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.677496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043359/publication.md
observed 2e30825cfced9f5379bde92dc58185cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:52.657889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043359/publication.txt
observed 8a5572245989794c1d0421496eba082b...
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.