OpenTechnical

OT-2026-000104003

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000104003) never changes.

Identity and time

Publication numberOT-2026-000104003 · never reused
Internal UUID01a0aea5-15e8-7aa4-9320-64aa42acd71e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104003
StatusPUBLIC

Content hashes

Canonical textd776406a757d2dba8fbcde94a20d2e73bd029f814e24dbb1de1788e35140e8f1
Markdown1deeec58f7819efcb93e151a0194b3e25d6500cb4a2067f438b41fd47dc670aa
PDF
Publication pagee49f2d2a66d9840e45b161f70c82e082c0e18ec572f0c250756f1ad3cb3f68e8
Manifest1d70b76db531ab6be4a970074bbac6e4affbcfe4d33d7b8ee46ddb83985c2bff

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
Signature+DuT4xn8GfBWNvEP5l8FgZ9j/pF5cBUA8gcvzKSEdlKX1ZgVYtJCtaRWRbFArQwhdZV/1YFXNTSK1F+SCZC+BQ==
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

2026-09-17T09:22:00.693141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104003
observed e49f2d2a66d9840e45b161f70c82e082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.677602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104003/manifest.json
observed 1d70b76db531ab6be4a970074bbac6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.660734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104003/publication.md
observed 1deeec58f7819efcb93e151a0194b3e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.642814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104003/publication.txt
observed d776406a757d2dba8fbcde94a20d2e73...
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.