OpenTechnical

OT-2026-000017857

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000017857) never changes.

Identity and time

Publication numberOT-2026-000017857 · never reused
Internal UUID01a0ae6e-96fb-7472-b313-41b34c6eae02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017857
StatusPUBLIC

Content hashes

Canonical text4520c823dd55d9781e18da90ea485e4492a2917ca4ba4066b30a2dac5210f802
Markdowne16352bb6c6f17839706fae0877c84e1295f83371e805505afa49a55a680aadf
PDF
Publication pagecac21c9782d286cf12bd3836bd7b1b552a580cf5e498ed78e583f17cfd099b16
Manifest29d49de9a3914a4cf03909055aa2105413e073d4aa39f705432bfbb0393715ac

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
SignaturepQT30G63tqFzastExc5MdCZLhCabZCocvM+ZSrSqTKd7vZPQZ/Zx4nMR4iOIq+PPyXyGjqQnAUnveeuqlBHQCA==
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

2026-09-17T12:01:50.433742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017857
observed cac21c9782d286cf12bd3836bd7b1b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.417006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017857/manifest.json
observed 29d49de9a3914a4cf03909055aa21054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.400751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017857/publication.md
observed e16352bb6c6f17839706fae0877c84e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:50.383751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017857/publication.txt
observed 4520c823dd55d9781e18da90ea485e44...
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.