OpenTechnical

OT-2026-000099636

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000099636) never changes.

Identity and time

Publication numberOT-2026-000099636 · never reused
Internal UUID01a0aea2-c976-76eb-a9e8-1af7980e6eb8 · 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-2026-000099636
StatusPUBLIC

Content hashes

Canonical text55d250b0a573f95efa1d41e7d1aefdd9bbc79caa3d5811fa9c4ecd008dd0c137
Markdownc147a4ad68be1269d7816d5c284fd6447700761fddb9c1d71c0ce244db338a50
PDF
Publication page1dafdeba176eacfdce1ba07fc4ac9b2b05b0253fd55242de6aa71021e851ad07
Manifest7073e33d64699d9c44d9ae21846a7805e07c7ff29342a9238b352ea00ad1ddbe

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
SignatureOGSGcQjfZBOrLCFWKPih3fyCNNTPYViJYhPZD040Lm/99sYCoxEq8Nx62v+bNrCnJlvEtZ826PcyXnvmhg+zBg==
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

2026-09-17T09:29:34.399261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099636
observed 1dafdeba176eacfdce1ba07fc4ac9b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.381733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099636/manifest.json
observed 7073e33d64699d9c44d9ae21846a7805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.364419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099636/publication.md
observed c147a4ad68be1269d7816d5c284fd644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.345858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099636/publication.txt
observed 55d250b0a573f95efa1d41e7d1aefdd9...
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.