OpenTechnical

OT-2026-000061155

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000061155) never changes.

Identity and time

Publication numberOT-2026-000061155 · never reused
Internal UUID01a0ae8b-137e-721c-9d8f-32268d136f46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061155
StatusPUBLIC

Content hashes

Canonical text215202ac976ea0e9c2b62f46ec6ed89a8732c993e50035b5b6ebc90c864a188a
Markdownddb558838d3f3e325e258397bd1a3991a01b444a0f2f30f0022820945433b6e6
PDF
Publication pagea13ffb4655f0aea8a01a3ec17790f5f3429533bc6ee2fc3dc87fb42dab3177d4
Manifest509d4bb29e89f21b84d38c07b2d8a0933118478cb2eb7fab28019c499ddb4b45

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
Signaturezm/ZqK56VOEoAUMwbfV3p4D7DIUdDhnhHZl8vnqwcKPBz+7DhyAVMMkKnzwvBoTG6DVqozbk1UcWjm0qs86JDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:32.383104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061155
observed a13ffb4655f0aea8a01a3ec17790f5f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.364177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061155/manifest.json
observed 509d4bb29e89f21b84d38c07b2d8a093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.345461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061155/publication.md
observed ddb558838d3f3e325e258397bd1a3991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:32.327019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061155/publication.txt
observed 215202ac976ea0e9c2b62f46ec6ed89a...
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.