OpenTechnical

OT-2026-000037677

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000037677) never changes.

Identity and time

Publication numberOT-2026-000037677 · never reused
Internal UUID01a0ae77-b8cf-775f-987f-04ef608c1ab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037677
StatusPUBLIC

Content hashes

Canonical text16457c4fa4d3debae83e7b9df5edb163365b1b81cc6ff8af983ca4092ada8f0f
Markdown0f745aa3c1c45fcea341c04a43981687d202077106a3952c959c97b4463dc315
PDF
Publication page9d22eb4bb5e455331dc980c522e922f5910079430a019878e7e4f48c681ac138
Manifest8e9205e9a8c51917ac6f8dbe8b6cf3e86e6e05b82319ce4f60b640da2261d5f7

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
SignatureM9QYFgzNU7fQ/eSdwcowNGn2FRfvN2ewyvqih+kWn1CznQBbrZXZ9XCae7mPY2v1V3LL6YprfYQklR7iczEXAA==
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

2026-09-17T11:24:15.393666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037677
observed 9d22eb4bb5e455331dc980c522e922f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:15.375529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037677/manifest.json
observed 8e9205e9a8c51917ac6f8dbe8b6cf3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:15.357847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037677/publication.md
observed 0f745aa3c1c45fcea341c04a43981687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:15.339618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037677/publication.txt
observed 16457c4fa4d3debae83e7b9df5edb163...
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.