OpenTechnical

OT-2026-000089255

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000089255) never changes.

Identity and time

Publication numberOT-2026-000089255 · never reused
Internal UUID01a0ae9b-db00-7ca5-b270-52c64fe7f828 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089255
StatusPUBLIC

Content hashes

Canonical text87937814dd18619c15b7dab06eb90a6160b9d7810fc83481913888d0795a2077
Markdownd06433b54725de52f8f3c8bdd3ffc3e55e6e98fc0db5edf60f209a712c13a113
PDF
Publication pagedc57332ac707b7f7828e6280f5a2e3a2aaa7e09af908fc16a80810be52b1a927
Manifestde9245dcaa08f62ae2e9fae27c3855f1a795dba0db29a347c13c2f0bac7afaee

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
SignatureOfFaImKg3LpKASCX5eIgC19eV0jC+Na4WP8KTLwADjraflWYOCh/DVg4RW6KLjYuZzetdhvFAPBPfc9RTRo2AQ==
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

2026-09-17T09:47:17.528521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089255
observed dc57332ac707b7f7828e6280f5a2e3a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.512520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089255/manifest.json
observed de9245dcaa08f62ae2e9fae27c3855f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.494842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089255/publication.md
observed d06433b54725de52f8f3c8bdd3ffc3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.477577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089255/publication.txt
observed 87937814dd18619c15b7dab06eb90a61...
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.