OpenTechnical

OT-2026-000017900

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000017900) never changes.

Identity and time

Publication numberOT-2026-000017900 · never reused
Internal UUID01a0ae6e-96fb-7f07-a188-17a83f1ca7b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017900
StatusPUBLIC

Content hashes

Canonical text88ea4dd217621f3a1225ed5f1fd0ab161018427f573c135dd52efa97711307f7
Markdownbcf1e87c3af58aea3d9e0f23132919087b6a71e99209097cd4e2e3bf99881aeb
PDF
Publication page8b1078293fa621d845078ced48d7d7cf8b290bb10e360f52174f49347c8c57d1
Manifest8ff9edd50acd0c84d101c9932e9e8a8276b23eddbc2955ba0ba3cbb0f5b389a4

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
SignatureCU51xVA7FvoyLWwiQ0V+EPf6XTdIUN6htl7aR93sJaNxJN2sd8NiVMNeNnxSVLWTJwAOK2fa3aailh6wOIfQBw==
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

2026-09-17T12:01:53.415382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017900
observed 8b1078293fa621d845078ced48d7d7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.400224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017900/manifest.json
observed 8ff9edd50acd0c84d101c9932e9e8a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.385564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017900/publication.md
observed bcf1e87c3af58aea3d9e0f2313291908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:53.369444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017900/publication.txt
observed 88ea4dd217621f3a1225ed5f1fd0ab16...
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.