OpenTechnical

OT-2026-000049115

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000049115) never changes.

Identity and time

Publication numberOT-2026-000049115 · never reused
Internal UUID01a0ae81-134e-7d6f-8380-a597e139c08e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049115
StatusPUBLIC

Content hashes

Canonical texta9e0e1f22109cc6720093ce41ef67276c24328940e87b56c4942e34ed5946e13
Markdown77b89d11e644b3900ef302d3b96f374b6c5823f4f5f356ee5f419fe02a05b324
PDF
Publication pageba4e742465a6c4f98343e14ff37c277d7fe65f3665a7b8f92ff6752307c984cc
Manifest27d27079fe62cb3fb3f76f45f749fef9a91915dc048373ce7a7aa932ddbc5f76

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
SignatureblU/z41Gf8JdYdZjbqgvLlBrD7sPlYG7bYmGEZyj+OJJ/7BMapl5/kYD04Gtxpgs+GrcZB7u22Ho1OyuLkEeBw==
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

2026-09-17T11:03:22.542915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049115
observed ba4e742465a6c4f98343e14ff37c277d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.522233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049115/manifest.json
observed 27d27079fe62cb3fb3f76f45f749fef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.496662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049115/publication.md
observed 77b89d11e644b3900ef302d3b96f374b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:22.473856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049115/publication.txt
observed a9e0e1f22109cc6720093ce41ef67276...
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.