OpenTechnical

OT-2026-000043372

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000043372) never changes.

Identity and time

Publication numberOT-2026-000043372 · never reused
Internal UUID01a0ae7b-327e-7636-b390-eb70fda6ee20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043372
StatusPUBLIC

Content hashes

Canonical textec4b6f7755dc60be8d42ab1a7e93a293146c69dbcdabfde874b9d640f5c459b9
Markdown550e62d5d0c4eef922db830f75aa5e8ecf8d1f1f652b2b5ef9840ab16043f086
PDF
Publication page7c2072d748634be7fd2b2ea8fc0775b6381cb938d0658f78d54da8efa9138e07
Manifest4a499715aa93e05c54a66a8976d6302cfbad15e8668c27e69a2a5a11abef9b28

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
SignatureeB/WUuX1ssCqOZHrYvDiKzV1WeRXunp9N1YXjkJvVdPu+G/cc8RlH2/D5Q21H8hDWlw0hN8igCajzA6uKGlvBQ==
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

2026-09-17T11:13:53.906087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043372
observed 7c2072d748634be7fd2b2ea8fc0775b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.885824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043372/manifest.json
observed 4a499715aa93e05c54a66a8976d6302c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.862671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043372/publication.md
observed 550e62d5d0c4eef922db830f75aa5e8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.842044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043372/publication.txt
observed ec4b6f7755dc60be8d42ab1a7e93a293...
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.