OpenTechnical

OT-2026-000044475

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000044475) never changes.

Identity and time

Publication numberOT-2026-000044475 · never reused
Internal UUID01a0ae7c-39d8-702d-8b61-f308b96cee1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044475
StatusPUBLIC

Content hashes

Canonical textbf5e4c67f88445184a63b7f3cc9e5c9d27ca82d17845e4d3b2a0b415eb92e9f4
Markdown93d4de5edff3f3bbc0202f273a72e11064ead4ef271c4ef3700f2dd947830e85
PDF
Publication pageb0689aae7ef60d84c76d8b75375dcbc4d25147d05b6b118348cbe7828037ed6c
Manifestd30195b72cd0161e35b5ba1abb343c8024ce08a803240e05a35da59c0629f566

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
Signature2FpkqevCJSd5UcAWlgs8djRNh+TiskfYuAwR482iWIb3kUCck49jEGhMhhWFs7SmWnB1nNgrJcH38AkOhRRpDQ==
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

2026-09-17T08:30:54.025689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044475
observed b0689aae7ef60d84c76d8b75375dcbc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:54.008455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044475/manifest.json
observed d30195b72cd0161e35b5ba1abb343c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:53.990786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044475/publication.md
observed 93d4de5edff3f3bbc0202f273a72e110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:53.821282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044475/publication.txt
observed bf5e4c67f88445184a63b7f3cc9e5c9d...
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.