OpenTechnical

OT-2026-000050079

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050079) never changes.

Identity and time

Publication numberOT-2026-000050079 · never reused
Internal UUID01a0ae81-fd79-7d2a-af50-6c803966240b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050079
StatusPUBLIC

Content hashes

Canonical textc9dce259bb11964e01d68b2cbabfd279ee41e4000cf89edf68b2dfe79aed577e
Markdownd99ecc45cabf52e8b0d9e4f49caca1642aaf5e27e8942e38fc0a146968dd36e5
PDF
Publication pagecc2064883b62531d043f0636a913e3319211509a53389a443af91eb14bb5f017
Manifested94c474441dff6ce91ae3b951309983b9839997109945f144ee1aeafcdc7ad9

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
Signatureodhyu/iny4gr8fCN9yTbN9pY/e83Tav6zvqGl1TlROu7Qkc4a0DG4Hvaaz3K4c+rh/cHWW/AOwjC+BgrKMlVBQ==
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

2026-09-17T11:02:04.406217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050079
observed cc2064883b62531d043f0636a913e331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.389272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050079/manifest.json
observed ed94c474441dff6ce91ae3b951309983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.371885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050079/publication.md
observed d99ecc45cabf52e8b0d9e4f49caca164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.353201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050079/publication.txt
observed c9dce259bb11964e01d68b2cbabfd279...
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.