OpenTechnical

OT-2026-000003926

Publication integrity record

Bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure verified

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-2026-000003926) never changes.

Identity and time

Publication numberOT-2026-000003926 · never reused
Internal UUID01a0a90b-7bf9-7747-b1ca-9c1e7c6a2f61 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:17.275701Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003926
StatusPUBLIC

Content hashes

Canonical text3c07c27a5acc87507b0198a520ccf1ff55f4fcf392331c191a25e2cf09471b0e
Markdown989972982a3de8bd3af01062ebc77d9b92cb1252cbcc3c7876572eb9d26ade92
PDF
Publication page176f4fdc7e72235b3cd20f384a8132f3ae7043322022889b1c38b5568f710833
Manifest0babdf157e6a81a29348d21acaac90b228d24d5b809bba5f67b7c1c6704637e9

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
SignaturefO5gZxtXhz0nQPnt04y7ryPU6sdGHn+DmBSwrs66mh5W16+PPvzLrK5hU+7xYK55hzg8B+ulCkOJFsVE2N7GBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:11.911047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003926
observed 176f4fdc7e72235b3cd20f384a8132f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.897840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003926/manifest.json
observed 0babdf157e6a81a29348d21acaac90b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.881964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003926/publication.md
observed 989972982a3de8bd3af01062ebc77d9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:11.866196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003926/publication.txt
observed 3c07c27a5acc87507b0198a520ccf1ff...
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.