OpenTechnical

OT-2026-000064807

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000064807) never changes.

Identity and time

Publication numberOT-2026-000064807 · never reused
Internal UUID01a0ae8d-debb-7a8a-a858-24e0927ed2ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064807
StatusPUBLIC

Content hashes

Canonical textbc2ef4a2efc724b80917c7233575bd685c4ff8d98c4d5909272dc6cf2a14ff60
Markdown8a346905bb63d4d7cf2f5d59ea69dcd7acb029f9bcc83e42174ad2a3da95f295
PDF
Publication page66fe83be7969fff11c27d68a0fbae69b7de5d83ab3d95dca52a8e23c0ced1c86
Manifestaf147c54b00a4ee036cfab516fb84bb55112380f21e434225342781e964095be

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
SignatureQL+sx2JkQTbkMR6/PR7O2hXcB5mAte/X84bNaiYpi1w4SWttKpwDcLhwj6s/c99lRYVtDo3TgTQcZlaD0QPbAw==
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

2026-09-17T10:35:42.539176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064807
observed 66fe83be7969fff11c27d68a0fbae69b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.523014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064807/manifest.json
observed af147c54b00a4ee036cfab516fb84bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.506547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064807/publication.md
observed 8a346905bb63d4d7cf2f5d59ea69dcd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.490498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064807/publication.txt
observed bc2ef4a2efc724b80917c7233575bd68...
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.