OpenTechnical

OT-2026-000042719

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000042719) never changes.

Identity and time

Publication numberOT-2026-000042719 · never reused
Internal UUID01a0ae7a-c0cf-7c50-8a7e-dd591184b00b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042719
StatusPUBLIC

Content hashes

Canonical text8f7619834062d886f2e58c7e2c53f0a4e923f15a29735f46145f6e91687de6f8
Markdown8d92491cd0708ceac0df006599cb874bc65e354198f1865fe1436543e1970e24
PDF
Publication pageef3fc32f060ab194b68ff5a7334697e460ef17432fed605eb522b43b7b098030
Manifest32efded18a32171e2f698a4a92ed6ec89f8d62bd2f76721498bb3b891e1fbf59

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
SignatureDeZoqtY/tszbrM2VVL9OyAlrWTM6YRgRnV3bJOf0buMNuiN4GUsM9tlQrPp4/sR7aQ+F8loqtYKTw8YM+3vOCQ==
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

2026-09-17T11:15:09.298096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042719
observed ef3fc32f060ab194b68ff5a7334697e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.277178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042719/manifest.json
observed 32efded18a32171e2f698a4a92ed6ec8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.256206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042719/publication.md
observed 8d92491cd0708ceac0df006599cb874b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.228993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042719/publication.txt
observed 8f7619834062d886f2e58c7e2c53f0a4...
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.