OpenTechnical

OT-2026-000018365

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000018365) never changes.

Identity and time

Publication numberOT-2026-000018365 · never reused
Internal UUID01a0ae6e-b489-7c5d-a614-17bfd5438a1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018365
StatusPUBLIC

Content hashes

Canonical text32c0b374be56307eb37f9b834f160d4baad2bad16af196cd1c7f71759cca477a
Markdown884f5c56a638344fd782606a3b04d14435ebcc2bb403a747df403db0dd9ea510
PDF
Publication page9a8d57f1bb54ead07153a3efc67b3a76420152b2c91abb881b4ca0a0cad76a4e
Manifest8906716ae1729af5c2dd9c5b3e7d65df0c148077a9b5e5de2a7679fc479f7abd

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
Signature4UCLhnscU00TQxfu6+W4fjzsumW/RLiVb7zE8EbE5ACdMO0+KUi9dq6pvKRkwRGaAkoTR5XuqSr4cu/At7EGCg==
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

2026-09-17T12:01:06.083613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018365
observed 9a8d57f1bb54ead07153a3efc67b3a76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.068479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018365/manifest.json
observed 8906716ae1729af5c2dd9c5b3e7d65df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.052477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018365/publication.md
observed 884f5c56a638344fd782606a3b04d144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.036194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018365/publication.txt
observed 32c0b374be56307eb37f9b834f160d4b...
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.