OpenTechnical

OT-2026-000020799

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down

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-2026-000020799) never changes.

Identity and time

Publication numberOT-2026-000020799 · never reused
Internal UUID01a0ae6f-65e3-7cd7-a4bd-c7ba85e3be07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020799
StatusPUBLIC

Content hashes

Canonical text6a6cc309adb32ed2389720b5e1d7f1c15e408f78cb408235fcc2df9dbc754fa9
Markdown1f0e2c4d93e5e8896243b9fb9b24da8409cdcb8e8618760e2bae66d1d22facc1
PDF
Publication page63f68e9a2d73bfca1138f6e23acdd8cac8119334c6b23a3970ef1d1d675df767
Manifest4eb19b8c210dfaec46eec6c0054163489fb83883a69106839662d703fc0467a1

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
SignatureNAzBdL2CsomoSWI+aAKvfMv8mwFaR62vv7G2nAKlaB3zZvktbG9jNzCIpUqSpJRuzwH0L+7TRulDkoszcuP1Dw==
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

2026-09-17T11:55:53.016506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020799
observed 63f68e9a2d73bfca1138f6e23acdd8ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.999542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020799/manifest.json
observed 4eb19b8c210dfaec46eec6c005416348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.981242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020799/publication.md
observed 1f0e2c4d93e5e8896243b9fb9b24da84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:52.962077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020799/publication.txt
observed 6a6cc309adb32ed2389720b5e1d7f1c1...
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.