OpenTechnical

OT-2026-000103230

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103230) never changes.

Identity and time

Publication numberOT-2026-000103230 · never reused
Internal UUID01a0aea4-be3f-775b-8a26-2177d5a68a5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103230
StatusPUBLIC

Content hashes

Canonical text88d3c4576fc888b07c73f55140cbc61caabcc42fa566a6c03131259cf424aa1a
Markdown8fd559f81304e7d6c0450f996b480c22e95ef4ff6e5a9c738c1d346cabe92a27
PDF
Publication paged57741061019bc902a4c58c4f6d00c22ef90ba3d6747435816cc48b51b4ded84
Manifestc38fedcfe8284945cf9aead565f90a0eb2d9be16d3eb48a5c393e18355e82198

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
Signature2ZN0TukjwCaTagCHTMqkkgA1ACHGUlEegVS5HTXg7dxhTqBLTEHwT1otjgw6vGw8EtRvUFcrbBAPg2TxOnBWCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:27.801046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103230
observed d57741061019bc902a4c58c4f6d00c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.782145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103230/manifest.json
observed c38fedcfe8284945cf9aead565f90a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.761556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103230/publication.md
observed 8fd559f81304e7d6c0450f996b480c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.741171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103230/publication.txt
observed 88d3c4576fc888b07c73f55140cbc61c...
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.