OpenTechnical

OT-2026-000013331

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000013331) never changes.

Identity and time

Publication numberOT-2026-000013331 · never reused
Internal UUID01a0ae6d-6fc9-7144-b59b-1685d306c905 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013331
StatusPUBLIC

Content hashes

Canonical text2bba9941068cfe2d4b65c48b52817fe34579d0e7a90fa1393d1df7bcdc41f2a6
Markdown5d9e405b0be9580cc423808a8dec932799cee932146411b3d61d8ca17bc475b7
PDF
Publication pagef5646bfbfa0edb6383d19d4b3fe8c4d53a98c8631687cfbeac50b0e264e55a0c
Manifestf0a7e5add0185dd0c02b10e923191e14cd1d5ec55df55bd4edcfff7164793e87

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
Signatureg//4O/pjoLrFg66BwmP+9w/TKE2g0YO4l8i6+2PZHFW9DWphawUk5wy2VISozdczEuwQkcE09xgYTlrCiM3bDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:46.241691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013331
observed f5646bfbfa0edb6383d19d4b3fe8c4d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.221905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013331/manifest.json
observed f0a7e5add0185dd0c02b10e923191e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.201563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013331/publication.md
observed 5d9e405b0be9580cc423808a8dec9327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:46.181651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013331/publication.txt
observed 2bba9941068cfe2d4b65c48b52817fe3...
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.