OpenTechnical

OT-2026-000009050

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000009050) never changes.

Identity and time

Publication numberOT-2026-000009050 · never reused
Internal UUID01a0ae6b-31b8-7a2d-a151-c7514a02caca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009050
StatusPUBLIC

Content hashes

Canonical text0a14993faef3f6d1b90b741c5f541354e9f0299b5ddcefdb1b66d2dbe3a1756e
Markdown5bd9bae562276eea01edd22065329452593b4fe5c9693d039170a0d626aab225
PDF
Publication page4b8e55491313401cb4c5e03984b9af55ea17a1a1890741f820b30e90b2e6a4cc
Manifest8b1877931227718568afdaa519313b00476328de5838b6999a68f2fb398137db

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
Signature9hTkG2r6iHpTa7BtuoiXD+nsyAtLBAGjDYumt2gDeLhP0nn/gPs1unm5RBFJ5i+wD7PujKEXQB+E0LR+CbfGAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:42.183494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009050
observed 4b8e55491313401cb4c5e03984b9af55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:42.165173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009050/manifest.json
observed 8b1877931227718568afdaa519313b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:42.145312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009050/publication.md
observed 5bd9bae562276eea01edd22065329452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:42.127085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009050/publication.txt
observed 0a14993faef3f6d1b90b741c5f541354...
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.