OpenTechnical

OT-2026-000081495

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000081495) never changes.

Identity and time

Publication numberOT-2026-000081495 · never reused
Internal UUID01a0ae97-0f70-707b-a0ea-76da5add4bf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081495
StatusPUBLIC

Content hashes

Canonical text91d1bca8f1ea9201e4449ce3f3e588227ff9441201e30be6f02ba4bf1ff83856
Markdown2da4fd54001a4775b413eda04a16fff5bcad3467cadd75daa78bbc49868fa795
PDF
Publication page5c49b24a576496491bcd2aff8b2fd6394cdc6c96ff5fe4d50b8b16120d99a0db
Manifest993a3b9ee3c01e767fb58abd8dbe198be423bb5bd6cb1706ee392ec895f9f100

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
SignatureHtjp/QpUNF8NA0bhdQHW9ZPp1442xyKwI6pg6DMiFaXIRobSDHK2iwd+m12UN+6giGidw7KHkBNumrhgwUdtBQ==
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

2026-09-17T09:59:30.424886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081495
observed 5c49b24a576496491bcd2aff8b2fd639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.407244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081495/manifest.json
observed 993a3b9ee3c01e767fb58abd8dbe198b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.389422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081495/publication.md
observed 2da4fd54001a4775b413eda04a16fff5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.372898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081495/publication.txt
observed 91d1bca8f1ea9201e4449ce3f3e58822...
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.