OpenTechnical

OT-2026-000038288

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000038288) never changes.

Identity and time

Publication numberOT-2026-000038288 · never reused
Internal UUID01a0ae78-2d51-70a8-9710-51d015077478 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038288
StatusPUBLIC

Content hashes

Canonical text373202e7cf1f1e1c8011011fc9651db0ebd5b4496153d31f34e03fd71d9035b6
Markdown84569a276a5618572791d872abbe22f7d3ae023d33423b04eda3a28a7db9c218
PDF
Publication page08e8f75ce7d1fd540fa1d1efd5e8d46aec5e4205de04c271ba2f85e0fd161f43
Manifest95a13d941936d02429d351182dee447f43032885c7e0e460ece828bc16f5f9a4

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
Signatureqeca7ztNX/8IHzUxb0/Xk+ploxDtEIEI0FEMwvVuxuHy/e4XNKlUzM26krQ3BGk5J9zDg3MJUpX2BWuafQwuCA==
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

2026-09-17T11:22:27.307100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038288
observed 08e8f75ce7d1fd540fa1d1efd5e8d46a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.289941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038288/manifest.json
observed 95a13d941936d02429d351182dee447f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.270458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038288/publication.md
observed 84569a276a5618572791d872abbe22f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.251541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038288/publication.txt
observed 373202e7cf1f1e1c8011011fc9651db0...
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.