OpenTechnical

OT-2026-000086901

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000086901) never changes.

Identity and time

Publication numberOT-2026-000086901 · never reused
Internal UUID01a0ae9a-80a5-7584-92ff-203a744d5128 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086901
StatusPUBLIC

Content hashes

Canonical text8a94fdd8e34ef5496cc5eaeb1eb49d9669878fed44be908e0c0b2b84de27b57a
Markdown8c0bf2b825d7435aa11100a1d24e89d4a14a83b7e968bc058021a37a92b40afe
PDF
Publication page3c4324ce98eebf9a33c341b4bfe6fa4caf68a4cd0e771f70b66b5e3cf7c8624a
Manifestf81b60bb7b4dd2086252a1b0a1e6f56968bcadeb2032b24e574b18a72df54b46

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
SignatureROu8T+oQTuzO5/CRWAldO01kjM1OyC1zYNv9bkjkadUEMCS7JxtZrET/NtPfVe2khI2F5RQgC/vu7sbKzuORCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:45.144829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086901
observed 3c4324ce98eebf9a33c341b4bfe6fa4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.127433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086901/manifest.json
observed f81b60bb7b4dd2086252a1b0a1e6f569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.111242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086901/publication.md
observed 8c0bf2b825d7435aa11100a1d24e89d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:45.092320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086901/publication.txt
observed 8a94fdd8e34ef5496cc5eaeb1eb49d96...
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.