OpenTechnical

OT-2026-000013950

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000013950) never changes.

Identity and time

Publication numberOT-2026-000013950 · never reused
Internal UUID01a0ae6d-8dea-73e8-b4a0-6470e8277b9c · 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-2026-000013950
StatusPUBLIC

Content hashes

Canonical textd80ba425ee60cebac3fbea7887fe1267f0a906ad91afb1eb08f9b333a1467f82
Markdown44ad696092475f0512af0e4247f1f993002127778d17ffe50dfe163266302375
PDF
Publication page6af9d34835d122aea7769dd28fb3430eac9469dbe13a6e947f90773078f2dc31
Manifest9a3bd4b8c35c235d53d8117525b850a1af6b5b957d760e8f45246bdc15126c87

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
SignaturejH4qkcV/hmdV+eQeYlKYpQEcxGYDdS1wRDBgzsEocT4PEebfsG/xdlQDJ8GOdks8PjDb+IIl9qaSAhuKHQfaDg==
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

2026-09-17T12:09:09.053609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013950
observed 6af9d34835d122aea7769dd28fb3430e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.034524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013950/manifest.json
observed 9a3bd4b8c35c235d53d8117525b850a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:09.013018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013950/publication.md
observed 44ad696092475f0512af0e4247f1f993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:08.990569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013950/publication.txt
observed d80ba425ee60cebac3fbea7887fe1267...
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.