OpenTechnical

OT-2026-000016192

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000016192) never changes.

Identity and time

Publication numberOT-2026-000016192 · never reused
Internal UUID01a0ae6e-2d11-7fa7-b050-2fed685e272a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016192
StatusPUBLIC

Content hashes

Canonical textaba81c9a794f81254bf61ab44d9ac52e9f7412f96a581a59f8c77f76419ff72d
Markdown576ce5755c111d3ff2ec6a3f38146b3967c1fb7a1388afb227d96e388d380562
PDF
Publication page43c6314bc35bfc5dae0616fc8caced0a83e300e77b4d7f60252c326c289becc3
Manifest1c77faad88bde5712670b8ed2c60e9dd22d2153d96c495af5a2abb9723549c04

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
Signatureb2b6h2WKdZCsCwu0HWHjL5h6xD8mPa2mxIuWdLA1yRpJEFys5HB3o5+cajTgSyER+OxNatzod4KppbJkBNQfBg==
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

2026-09-17T12:03:38.906607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016192
observed 43c6314bc35bfc5dae0616fc8caced0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.888592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016192/manifest.json
observed 1c77faad88bde5712670b8ed2c60e9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.871526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016192/publication.md
observed 576ce5755c111d3ff2ec6a3f38146b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:38.854053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016192/publication.txt
observed aba81c9a794f81254bf61ab44d9ac52e...
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.