OpenTechnical

OT-2026-000041714

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000041714) never changes.

Identity and time

Publication numberOT-2026-000041714 · never reused
Internal UUID01a0ae79-e8a1-7bab-b4e0-5f53d6e77614 · 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-2026-000041714
StatusPUBLIC

Content hashes

Canonical text11245c91d4820dfeae76b605627aa14ffa8842f737369f1cdfcbc3b7dd1a2401
Markdowna6357ad5f95a4523c5d14e6353eb7ab67262dc715a705f0ae1e57e7cabf13bf6
PDF
Publication page7b4efcedb46098f17861751e3ce7c660ca9db53433e031c32a19633d1fd6cfd0
Manifestd8cdd9018b843ab42460e14a2369a3ffa92873500e63f893138091824f83b8dc

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
SignatureaBSlY3kp5+nC76rkpNSsaHO8Q0RRM2F0c3xFbTS11I7oMQK9UgyY8lVVMoMkMjXEIXKo0lQVmZVs+TrmzywQDQ==
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

2026-09-17T11:16:33.049427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041714
observed 7b4efcedb46098f17861751e3ce7c660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.030146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041714/manifest.json
observed d8cdd9018b843ab42460e14a2369a3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:33.012050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041714/publication.md
observed a6357ad5f95a4523c5d14e6353eb7ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:32.993707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041714/publication.txt
observed 11245c91d4820dfeae76b605627aa14f...
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.