OpenTechnical

OT-2026-000006943

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, pressure verified, vented 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-2026-000006943) never changes.

Identity and time

Publication numberOT-2026-000006943 · never reused
Internal UUID01a0a96d-22cc-7fa4-9a2e-08cbec6ddfe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:56.974564Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006943
StatusPUBLIC

Content hashes

Canonical textae76775ca1c16eaa9e7d846329b09e18e9e15f939840dc68fba4d95d78546d0e
Markdown284fc8f37c39d470f70ef5b30ea7f035d6989eadd7704ae5082f5579aac6238c
PDF
Publication page47f5e7723ae3cd23258aa81a5a1a7c52ae8029abf756dd96e40756aac23efa38
Manifestdaf017eca9e8e2ec004aca7ea07866035a3f2d93d2563c24abdd29f49fec0899

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
Signature4n8yH8lwCm7rWh29xHUY7tfAsGWPd98PKsMmQBohCVs14Iw3r6/jEediEiJZt+zTQzM5QGToVNqXqnm62ezaAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:19.433609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006943
observed 47f5e7723ae3cd23258aa81a5a1a7c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.420906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006943/manifest.json
observed daf017eca9e8e2ec004aca7ea0786603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.407794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006943/publication.md
observed 284fc8f37c39d470f70ef5b30ea7f035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:19.393866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006943/publication.txt
observed ae76775ca1c16eaa9e7d846329b09e18...
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.