OpenTechnical

OT-2026-000020588

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000020588) never changes.

Identity and time

Publication numberOT-2026-000020588 · never reused
Internal UUID01a0ae6f-437c-7b02-946b-1c76742421f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020588
StatusPUBLIC

Content hashes

Canonical textbe41233e1ec219d02223cfcc3a1f842332bdbeae17a07c3d67c442db3f33fc09
Markdownc3d71899863cce79baf33d6b27abb21a5ad1d6ce7b9e5ca4226e73dbfe319277
PDF
Publication page93da4fba141ccba2553ebe3a1bbc9635edf73add907364e62f92d6b1aedb6dc2
Manifest16ab8eaf2bc6ae537fbc0b92067954606b063ed9081a6997012364fee25cb04a

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
SignatureQPdSqOOlsEyGXi8Y6ZudBQg+0gC4XPF/k5N04CopDjOdtc2N0oGfAO3GJjBPXUKeqkgLcKfCxfd/C8SCfIuNBQ==
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

2026-09-17T12:00:43.406284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020588
observed 93da4fba141ccba2553ebe3a1bbc9635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.389161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020588/manifest.json
observed 16ab8eaf2bc6ae537fbc0b9206795460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.372571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020588/publication.md
observed c3d71899863cce79baf33d6b27abb21a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:43.354618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020588/publication.txt
observed be41233e1ec219d02223cfcc3a1f8423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.677971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020588
observed 93da4fba141ccba2553ebe3a1bbc9635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.658758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020588/manifest.json
observed 16ab8eaf2bc6ae537fbc0b9206795460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.638268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020588/publication.md
observed c3d71899863cce79baf33d6b27abb21a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:37.618304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020588/publication.txt
observed be41233e1ec219d02223cfcc3a1f8423...
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.