OpenTechnical

OT-2026-000099801

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000099801) never changes.

Identity and time

Publication numberOT-2026-000099801 · never reused
Internal UUID01a0aea2-c978-7ede-a34f-0ed0104db053 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099801
StatusPUBLIC

Content hashes

Canonical text07469371e94df517100a47fc609ce74bd1d0eec695fac989c1b981b5690ca7b8
Markdown695fadbcf2b3eeff46df9b718c61565d2ff2ec9bf3834be86ab503ebab037722
PDF
Publication pagee9f5addb6feba948d2e61060fa6acaee2f36c4a57d62a9097dabd13a11d6d234
Manifest7c9c34f3ea7176ad448db539bc957737dc5738de60d6c9f283914c96c26deda9

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
SignatureTDbhLeHeOMD1qvpYJx+RioLZoHgFeNuJyRYHS5h42RpjYfj/RCTnq39ctqx48lM4Ft7GdFMN/GsEcdun1ASpDg==
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

2026-09-17T09:29:50.340089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099801
observed e9f5addb6feba948d2e61060fa6acaee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.321535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099801/manifest.json
observed 7c9c34f3ea7176ad448db539bc957737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.305147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099801/publication.md
observed 695fadbcf2b3eeff46df9b718c61565d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.288530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099801/publication.txt
observed 07469371e94df517100a47fc609ce74b...
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.