OpenTechnical

OT-2026-000099909

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000099909) never changes.

Identity and time

Publication numberOT-2026-000099909 · never reused
Internal UUID01a0aea3-1473-7c93-ba96-bc5971fdf669 · 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-2026-000099909
StatusPUBLIC

Content hashes

Canonical textf662d1383ff0b0e19cafa9fd67c238001489f84c9d8dc1d362fd49cc89014641
Markdown25dc87b899ecc93b1de197f9188d77a984989883d5ce7048638d35e7e0de8ba8
PDF
Publication pagecc4d249196bfcdf461d583eaa9ff8703aeaf1c37c9199b5a1f8ba32c3fafaa96
Manifest47c64b917fdc4ab01193cfd50b2ab58ed1acd8a869d72bedf412d34fbdde3529

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
Signature1miZQYYHDVS/fPMojMeq6zPlocw2ewQtNdfmn+RPlkYpjiGD6+O+k/ZBazgQUJab64EQgng+zPcPSV75PZDrBQ==
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

2026-09-17T09:30:32.902541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099909
observed cc4d249196bfcdf461d583eaa9ff8703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.884493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099909/manifest.json
observed 47c64b917fdc4ab01193cfd50b2ab58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.865093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099909/publication.md
observed 25dc87b899ecc93b1de197f9188d77a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:32.844530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099909/publication.txt
observed f662d1383ff0b0e19cafa9fd67c23800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.587485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099909
observed cc4d249196bfcdf461d583eaa9ff8703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.570736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099909/manifest.json
observed 47c64b917fdc4ab01193cfd50b2ab58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.552667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099909/publication.md
observed 25dc87b899ecc93b1de197f9188d77a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:48.532358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099909/publication.txt
observed f662d1383ff0b0e19cafa9fd67c23800...
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.