OpenTechnical

OT-2026-000013757

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000013757) never changes.

Identity and time

Publication numberOT-2026-000013757 · never reused
Internal UUID01a0ae6d-8de9-71df-b6ac-15ba449048ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013757
StatusPUBLIC

Content hashes

Canonical textf2a6081fc17a6959fce83bbdfc4369cd8a8482ed0ac1912c993c64c37a4f1db8
Markdown3f237377a5a0f27972e3b6c38fd62a9d2100d3afadd442954c4012d10a069ac3
PDF
Publication pagedf5cc053a54b3208b00e6bf714414a97cbd5201f3148418dd45055ee0d537553
Manifesta75e504ea7ced2bc66e995054b60f3e8bfc0c7448d6a3bc39fe5e8942115fa55

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
Signatureqgl21QpSP3SbzXNizkpYvIFiMH0O8UdLcyYDMc9QcrtkFVXBTzMOh80IY5hXXjuYVhKNpzCcnKx9xWhg1BbtDA==
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

2026-09-17T12:08:49.843567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013757
observed df5cc053a54b3208b00e6bf714414a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.821419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013757/manifest.json
observed a75e504ea7ced2bc66e995054b60f3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.797612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013757/publication.md
observed 3f237377a5a0f27972e3b6c38fd62a9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:49.769117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013757/publication.txt
observed f2a6081fc17a6959fce83bbdfc4369cd...
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.