OpenTechnical

OT-2026-000020566

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000020566) never changes.

Identity and time

Publication numberOT-2026-000020566 · never reused
Internal UUID01a0ae6f-437c-7ca0-80af-174dc526f2f7 · 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-2026-000020566
StatusPUBLIC

Content hashes

Canonical text8709865c348da5a33bbf4dfa488b6d7a2ebc0774a1016f34bfcadfb82de9caf0
Markdown7f4cc87b860c08120878435e5142dca13613ef672039071a5a6ac93d369b9441
PDF
Publication page3f7f770936a08e569da63a66b31cf49005c97f5f2fa4d28d271ca6c21980d696
Manifestb07b0e342189879e7a8b5562f7367439919251eae26968e4cb205236fd04fe60

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
Signaturesz42jb/S2V5tv1MDL5CjtEl5eU2MIiSlt/1LumJit+M3KmJ/s6BRMceM96fQ/r701UtahkOS61sLLkW2XKHwDQ==
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

2026-09-17T12:00:28.276794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020566
observed 3f7f770936a08e569da63a66b31cf490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.258475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020566/manifest.json
observed b07b0e342189879e7a8b5562f7367439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.238799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020566/publication.md
observed 7f4cc87b860c08120878435e5142dca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:28.204094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020566/publication.txt
observed 8709865c348da5a33bbf4dfa488b6d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.320034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020566
observed 3f7f770936a08e569da63a66b31cf490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.302263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020566/manifest.json
observed b07b0e342189879e7a8b5562f7367439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.283435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020566/publication.md
observed 7f4cc87b860c08120878435e5142dca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:31.264779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020566/publication.txt
observed 8709865c348da5a33bbf4dfa488b6d7a...
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.