OpenTechnical

OT-2026-000017004

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000017004) never changes.

Identity and time

Publication numberOT-2026-000017004 · never reused
Internal UUID01a0ae6e-591b-7c6a-941d-d555e6a200a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017004
StatusPUBLIC

Content hashes

Canonical text04cea6e315488971e2cf9cbce5217773b23a8e955262a40dc1a3f0cc49d208e2
Markdown29618d9dcf155fb24b63c59224ebb02b45a3144cc855656ad81093bb4466f98f
PDF
Publication page081f5f1f9d00b38950b7b1a8377a9ee3a8a1d32925115fcf3b609cbe695c2c5a
Manifest4b17c0062fb974559d96a735f051aebd380b69ae119ce39468f3395d96d17de5

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
Signature4qe7rs32sf0rnHvMvnzADA7yLYZsKm9ygq6FDaH5lHsbUv5Uhc102uXrzS9oOkukofWQ6v7SKfxpoyXBve7zBQ==
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

2026-09-17T12:03:24.657207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017004
observed 081f5f1f9d00b38950b7b1a8377a9ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:24.640607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017004/manifest.json
observed 4b17c0062fb974559d96a735f051aebd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:24.622041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017004/publication.md
observed 29618d9dcf155fb24b63c59224ebb02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:24.605680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017004/publication.txt
observed 04cea6e315488971e2cf9cbce5217773...
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.