OpenTechnical

OT-2026-000089926

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089926) never changes.

Identity and time

Publication numberOT-2026-000089926 · never reused
Internal UUID01a0ae9c-428d-7e77-bb41-0e7a5b6bcdfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089926
StatusPUBLIC

Content hashes

Canonical text08a68fcd4fc6178ce7718953dba852925352c8616ccd1e2764b65699a546c1eb
Markdown674b33d275b1d02121c09d30ab5fb7f0b7667fea370caf0261d733973ae6f32c
PDF
Publication page8b47bfc1266d102842583b8de790e61b21e424a5c62b51a4a3e2b5abc4ab61c9
Manifest95be4587b5482770697f3e78fc8e80b53da4e168d49d6add8e91a18e4ba40239

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
SignatureylKB90W6vcCctjOrXuPJ/Hk3YfJl0mx/nMe4YQyI+YGlDb+j7EiK0RUy1mBLqqpf4e1V9/BWnUlIYROr9h5PBA==
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

2026-09-17T09:45:12.124940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089926
observed 8b47bfc1266d102842583b8de790e61b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.106362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089926/manifest.json
observed 95be4587b5482770697f3e78fc8e80b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.086312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089926/publication.md
observed 674b33d275b1d02121c09d30ab5fb7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.066828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089926/publication.txt
observed 08a68fcd4fc6178ce7718953dba85292...
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.