OpenTechnical

OT-2026-000091547

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091547) never changes.

Identity and time

Publication numberOT-2026-000091547 · never reused
Internal UUID01a0ae9c-f16e-799c-a625-10b3049574a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091547
StatusPUBLIC

Content hashes

Canonical textbd33c8e5c2011cffcfb2fdaa3422600501d721b32c30af49e166a9b76daa4700
Markdown84df7bc8055b5dc33b6b517892ae6fa01b4feeb6ffaf1ad1662d29cafd4062a7
PDF
Publication page6dd7b4eb3825646e3ba4b915ddb98473fd4e56be6eaf90e4547b46de87f0d803
Manifestbfe0f29e25a31bb3b41c286bdb3ac9d99a93034479edde910619f05cd9bc7d9b

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
SignatureeUqbUBvv70vm3AIzVpyRnXJdUImTAykE5kjJuoixR1ztiMDeaYx/9KTv4bT+DfMm0/5LnJNoGmROCgF/hwmMAA==
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

2026-09-17T09:43:14.054452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091547
observed 6dd7b4eb3825646e3ba4b915ddb98473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.035967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091547/manifest.json
observed bfe0f29e25a31bb3b41c286bdb3ac9d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:14.017173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091547/publication.md
observed 84df7bc8055b5dc33b6b517892ae6fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:13.997757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091547/publication.txt
observed bd33c8e5c2011cffcfb2fdaa34226005...
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.