OpenTechnical

OT-2026-000043565

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000043565) never changes.

Identity and time

Publication numberOT-2026-000043565 · never reused
Internal UUID01a0ae7b-92cf-7c56-a7f1-cceca0c258ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043565
StatusPUBLIC

Content hashes

Canonical text8c271d999ab0e0313ef3ffaf4bed5cc3c26ce1f16b79ef0ff0264cf2e0ec6332
Markdown70fd5c5fd4b66e1e911dea9c8d9de726dd4ee84c84b50e59aac889bada20b492
PDF
Publication paged34741cde4fbdc843a74ddb7218c4381e68f71b39a2e1a36f14a98045e5c8a1b
Manifest152cd52ac0979cd51bdaccbc15f71c5b1f546e9e26904a58070caf0c92228a6f

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
SignatureSz5I/TU+MrAMD4lbbRGUJomSbbbzLh0yBGNXj7CXJdCR54A6VnNbDOgY+ljixHPZBVYJokWVtLXhGapcNmXLAw==
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

2026-09-17T11:12:57.498968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043565
observed d34741cde4fbdc843a74ddb7218c4381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.478496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043565/manifest.json
observed 152cd52ac0979cd51bdaccbc15f71c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.460422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043565/publication.md
observed 70fd5c5fd4b66e1e911dea9c8d9de726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.441686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043565/publication.txt
observed 8c271d999ab0e0313ef3ffaf4bed5cc3...
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.