OpenTechnical

OT-2026-000041672

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000041672) never changes.

Identity and time

Publication numberOT-2026-000041672 · never reused
Internal UUID01a0ae79-e8a0-7920-83a2-3aecedfaea19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041672
StatusPUBLIC

Content hashes

Canonical textf592e121dd364d9108427d1b516b8600fa89e2497b65635a6a88c704304148d0
Markdown4039cce7080d00982457512b029a43346a254528fb8327481e1ff648c78beacd
PDF
Publication pagefc3f2d1a0d8396114b34d697beec8a4d32ada52a1debaaee097f4d78c321da9a
Manifest211edc3bd9f11ed28f58d5b81700e52c9a44731f5236cc761f07ccebc69e2329

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
SignaturecyVVehd9pj5hVjzjHGv8QTv4gEFiS8I1mplCA4lkL+L0qlHqF8q5zo2+FXC260FSqa3dLjDdNpA22jqCmEo4BQ==
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

2026-09-17T11:16:28.713003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041672
observed fc3f2d1a0d8396114b34d697beec8a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.696254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041672/manifest.json
observed 211edc3bd9f11ed28f58d5b81700e52c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.677260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041672/publication.md
observed 4039cce7080d00982457512b029a4334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.658279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041672/publication.txt
observed f592e121dd364d9108427d1b516b8600...
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.