OpenTechnical

OT-2026-000015651

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000015651) never changes.

Identity and time

Publication numberOT-2026-000015651 · never reused
Internal UUID01a0ae6e-0c4b-7bfe-8615-19f85bec2512 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015651
StatusPUBLIC

Content hashes

Canonical text67953bcf2a2a0461a547898c5249e338cfabfb85f14ddc9da33af6abddb740dd
Markdowned8a5ed2dc46927453c5de6063df22058a0dbc0810a40f806c340122461dc25a
PDF
Publication paged887282c6e2c2b96c8075060e6c30d5ec64823eb41624b0e49402c017a998f82
Manifestc8da1b4dc41d39d3ca10d601f1f472d253817216e42797ff3ff2ae70c180dee2

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
SignatureRMBOK4Sx9xfqmdkz0OYchEla87TYSLwA4udekR90fhw/xGp/3RnlaTXDODX/aV2Jcro7nuPBITT9oqOwMIRvBw==
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

2026-09-17T12:04:54.649164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015651
observed d887282c6e2c2b96c8075060e6c30d5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.631903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015651/manifest.json
observed c8da1b4dc41d39d3ca10d601f1f472d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.613466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015651/publication.md
observed ed8a5ed2dc46927453c5de6063df2205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.596735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015651/publication.txt
observed 67953bcf2a2a0461a547898c5249e338...
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.