OpenTechnical

OT-2026-000061069

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after set-down

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-2026-000061069) never changes.

Identity and time

Publication numberOT-2026-000061069 · never reused
Internal UUID01a0ae8b-137d-7d92-b6d2-fc8ddda3b478 · 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-2026-000061069
StatusPUBLIC

Content hashes

Canonical text3b8ee6f1684f9916d0f6679db74a9ffb1c256ea0ce64c748ef9ac7b1d282223d
Markdown37f222d43bc917f9e1b1f48afd7ff1ead77325b12a9753058c2bf57d1b863156
PDF
Publication page2d62596154273ffca519e5602a174b6784248b5cc5abefdeb8e2eff665388bad
Manifest9d3b5769eaed6d064bcc8c2fc69cfa967d3612f783c5682d7710df0afe961df7

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
SignatureOkj7/RkzQIBk96oPrcWvDaltz9pW0I2KFDngj0pGcQnMkVfeZ/CmKJzoMmPziew7WL+opa+PpA5wiK8mqxfABA==
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

2026-09-17T10:42:25.723343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061069
observed 2d62596154273ffca519e5602a174b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.705119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061069/manifest.json
observed 9d3b5769eaed6d064bcc8c2fc69cfa96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.685554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061069/publication.md
observed 37f222d43bc917f9e1b1f48afd7ff1ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.665257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061069/publication.txt
observed 3b8ee6f1684f9916d0f6679db74a9ffb...
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.