OpenTechnical

OT-2026-000019029

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000019029) never changes.

Identity and time

Publication numberOT-2026-000019029 · never reused
Internal UUID01a0ae6e-d523-7aa5-b5af-c276ed03d934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019029
StatusPUBLIC

Content hashes

Canonical texted6c4e0f230047970c86ae02a737369e3c3e89d83a0a4f69c72fb7f6972aff38
Markdown04b7eea96219fdb306ad2de5d81a3e7cef514e0ad0cfa9b45b419ba22027f763
PDF
Publication page10f5973de7a3eebfc92f8ee8e8ef4e3cdd3b9a81ad1a746cb2657f19d0ac8146
Manifestd8f61bdb395b3944767505873f8d56f6f56d09e0120e4147d729aaafd7d0d407

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
SignatureUU6edRr9JonhWH+HgeOtl+m8ti8QnuzOBcHVFtBhmRzcR4CdFOMAxwITD1Hp/Wy1iQW1tafvMJs88tZ30QOBBg==
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

2026-09-17T11:59:43.096645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019029
observed 10f5973de7a3eebfc92f8ee8e8ef4e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.079761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019029/manifest.json
observed d8f61bdb395b3944767505873f8d56f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.061689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019029/publication.md
observed 04b7eea96219fdb306ad2de5d81a3e7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.043809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019029/publication.txt
observed ed6c4e0f230047970c86ae02a737369e...
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.