OpenTechnical

OT-2026-000016207

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000016207) never changes.

Identity and time

Publication numberOT-2026-000016207 · never reused
Internal UUID01a0ae6e-2d11-7fff-9105-b70f0fe19a20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016207
StatusPUBLIC

Content hashes

Canonical textc9608d9192cd8729164be648a54719eeb394eefbd105ce9bb7f157f4c1415a4f
Markdown9f295fde17a4f6a1db356d4e7578c50f1a566d1d19f53a54207a1a1ea1a21287
PDF
Publication page289117e8052bbdfeeedeae90b28cf4b62c795986e6ba25a5b8590ec3f19d0847
Manifest0bf7d9982f7d881f6547443b856582116f5da71180bf92bf2eaa15b70a478a91

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
SignaturerEXd1ocgMwaGUw/tISMl0LXrAlSh0YBG4x1PGShMf4uVY7ax3QkwGYIg8EmRAxHsJkBVH+Rzlczx7GVjjuMKDw==
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

2026-09-17T12:03:40.017891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016207
observed 289117e8052bbdfeeedeae90b28cf4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.000188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016207/manifest.json
observed 0bf7d9982f7d881f6547443b85658211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.982788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016207/publication.md
observed 9f295fde17a4f6a1db356d4e7578c50f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:39.964642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016207/publication.txt
observed c9608d9192cd8729164be648a54719ee...
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.