OpenTechnical

OT-2026-000073031

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000073031) never changes.

Identity and time

Publication numberOT-2026-000073031 · never reused
Internal UUID01a0ae92-c816-7623-8aff-20105b6e43ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073031
StatusPUBLIC

Content hashes

Canonical text782d788f1fe002e43f927de141b92eb63bcdcdd4752e83acc6af8b92ea6f90fd
Markdowne2e5f5070b17fb9a5c44f483ca1c7ca07cb51130f270eab2ea38d191ba7173f1
PDF
Publication pagedd6342d0246b92d8d098bd4c25bca1bc2b2abce9a5f3db16e280c691a8abecd1
Manifest8960d134759d36ab6c483ea51d3ccdf49420302852205730892bdaadb18ba951

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
SignaturepIklbQ6RPhpBHfhBnp6TQZE6XWZg9MIJs/M8eGt/1WoB06CYJy3d7ZWqwMQWVyR2B5M55ToxfE2atmzyQ5EdDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:58.309744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073031
observed dd6342d0246b92d8d098bd4c25bca1bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.292964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073031/manifest.json
observed 8960d134759d36ab6c483ea51d3ccdf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.276043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073031/publication.md
observed e2e5f5070b17fb9a5c44f483ca1c7ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.258349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073031/publication.txt
observed 782d788f1fe002e43f927de141b92eb6...
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.