OpenTechnical

OT-2026-000043129

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000043129) never changes.

Identity and time

Publication numberOT-2026-000043129 · never reused
Internal UUID01a0ae7b-327a-7fda-a184-cea6f2d3d65f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043129
StatusPUBLIC

Content hashes

Canonical text3b9a89fa0e5f5c021aafb830c4a52e97c13fd8e2e04e7ae2510ed46d12bc9215
Markdown203b37f9b8e5c18e0d34235fce825af41d7420c0acfb1391edc48747d4a0003a
PDF
Publication page065685dac953c509ef77f1b790bc475f6543c050cef7eb876c609f85f2a3dd4e
Manifesta3e86786d9aa41fa416f424ad8a5dcab3322bae45bacf3f19f0e81a7d4adf74e

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
Signaturep+G/dSmERNORhIUVNNHv508qvl9i6g0yaovXD51Fhsve7r5tYniibRwoY0U0ftInCM8wdi8j2wKSSVZ9Nk6WDQ==
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

2026-09-17T11:13:33.717935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043129
observed 065685dac953c509ef77f1b790bc475f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.698342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043129/manifest.json
observed a3e86786d9aa41fa416f424ad8a5dcab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.679131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043129/publication.md
observed 203b37f9b8e5c18e0d34235fce825af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:33.656961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043129/publication.txt
observed 3b9a89fa0e5f5c021aafb830c4a52e97...
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.