OpenTechnical

OT-2026-000099904

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000099904) never changes.

Identity and time

Publication numberOT-2026-000099904 · never reused
Internal UUID01a0aea3-1473-751c-b641-7013e1b1c0da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099904
StatusPUBLIC

Content hashes

Canonical textc973b0541e8efdae0f8898ff7dbf0c3eb5906fce0e65b90e4eecd0a0f584a85f
Markdown4009a779a73b263958851454f3fc24d4e798e83b75079a1a09b658dd94277f43
PDF
Publication page03bfacdc1275cc22d2fba215f49930b348aa8854376b939ee688d2ebb76e6bac
Manifest64fb0af2be8a2f32b669b4a1c215f59242629db5a77f2fd3ffde4752d4fb3e1c

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
SignatureYXtGsrKnbRMl6b4L2iqo5YQXwdY6PoOWsJr+4dq1ae08UdMaDCZ0FmnhRt8q57UUz/9DYK0nIRlMXS3tS6WrCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:32.506310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099904
observed 03bfacdc1275cc22d2fba215f49930b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.487779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099904/manifest.json
observed 64fb0af2be8a2f32b669b4a1c215f592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.471659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099904/publication.md
observed 4009a779a73b263958851454f3fc24d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.453873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099904/publication.txt
observed c973b0541e8efdae0f8898ff7dbf0c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.195197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099904
observed 03bfacdc1275cc22d2fba215f49930b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.177922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099904/manifest.json
observed 64fb0af2be8a2f32b669b4a1c215f592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.157888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099904/publication.md
observed 4009a779a73b263958851454f3fc24d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.137358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099904/publication.txt
observed c973b0541e8efdae0f8898ff7dbf0c3e...
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.