OpenTechnical

OT-2026-000014900

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000014900) never changes.

Identity and time

Publication numberOT-2026-000014900 · never reused
Internal UUID01a0ae6d-d095-70f2-b6ff-210c422017ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014900
StatusPUBLIC

Content hashes

Canonical text8c246b751fb6f8cf6e73e052d459237b1e3cee6b09f233028f14c8e1ceafbe18
Markdownad09b1a8d4a5d9f07f3fb306e80dfbc87eb92f7a4b4ccadc46364bcf46c991e1
PDF
Publication pageb57e5cd978953d81cba09dea305a50478b8d19183dbef2278e1c083aeacee67a
Manifestbb26f510ba39980959ddb9fce14d70fcedd1172c79ca2ba2739a51858ebcf4be

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
SignatureRw8M+nN56G+/5BdkWrGyS1UleeUPNCAyzVigJqG3rEu9eHHx/42XxLttGactFE7qxJvp2c6VEPrXVQx6CcUJAg==
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

2026-09-17T12:06:49.891647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014900
observed b57e5cd978953d81cba09dea305a5047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.873508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014900/manifest.json
observed bb26f510ba39980959ddb9fce14d70fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.855440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014900/publication.md
observed ad09b1a8d4a5d9f07f3fb306e80dfbc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:49.836154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014900/publication.txt
observed 8c246b751fb6f8cf6e73e052d459237b...
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.