OpenTechnical

OT-2026-000085554

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085554) never changes.

Identity and time

Publication numberOT-2026-000085554 · never reused
Internal UUID01a0ae99-aaac-76be-aa49-b1d005111508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085554
StatusPUBLIC

Content hashes

Canonical text43371d52eeb79ad3af543c8d59395711d2f1f6b008a6ea415d7dc1765c6b4c46
Markdownc8d5867a31845df38c42db12f1e3c0e578cb7b3a237245be821079b1575e5225
PDF
Publication page5e3d67b4dba064fddc31fdac1455f6595cd82587ef06f45ea53316f18cf43c52
Manifestf5b9d68b623ef4cb9341e0295f1f54879383f74741edece60d80cdf8e39bbde4

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
SignatureALYOznp+8v9UkyWw5w8kEs9wPWK6YKTYT70atGKfJg363d/v92HQSiOWDdqYaYQwnO1o9zjhCVEcBO23gxErDQ==
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

2026-09-17T09:54:22.477707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085554
observed 5e3d67b4dba064fddc31fdac1455f659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.461324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085554/manifest.json
observed f5b9d68b623ef4cb9341e0295f1f5487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.442220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085554/publication.md
observed c8d5867a31845df38c42db12f1e3c0e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.424623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085554/publication.txt
observed 43371d52eeb79ad3af543c8d59395711...
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.