OpenTechnical

OT-2026-000039254

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line 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-2026-000039254) never changes.

Identity and time

Publication numberOT-2026-000039254 · never reused
Internal UUID01a0ae78-9674-7e57-be9a-202f6f902c78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039254
StatusPUBLIC

Content hashes

Canonical text46fbc1c2cae3140cd91ce46c79ff80a4f65056d952212d9b38bb2d2c03342791
Markdowndf974640c12b2062d78ded593ab40a020fcdf21e3585a5eb69864bcab3b8d63a
PDF
Publication pagef7e931950499f46659431b3344e9d8f5eb72abba935635f03860738e916bf1f5
Manifestf646319607d8b2664e74e68a51c69628412c769e09b960e21765afa52571ef9b

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
SignatureeAZFCqF+xs0jvJbPRvLnSbBTa24S63qhhtcylhG/UWkmh4Hx11jKKjJSb57tbPHwW3NXruBHqvzvIT4M75QzCg==
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

2026-09-17T11:20:48.868018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039254
observed f7e931950499f46659431b3344e9d8f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.852688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039254/manifest.json
observed f646319607d8b2664e74e68a51c69628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.835434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039254/publication.md
observed df974640c12b2062d78ded593ab40a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:48.813873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039254/publication.txt
observed 46fbc1c2cae3140cd91ce46c79ff80a4...
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.