OpenTechnical

OT-2026-000023146

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained 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-2026-000023146) never changes.

Identity and time

Publication numberOT-2026-000023146 · never reused
Internal UUID01a0ae70-7266-7542-a86f-c16e5f06c1d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023146
StatusPUBLIC

Content hashes

Canonical text8f3238081d799a8420f6daa4f815d561ec4ebd6f54d46270a1d885d83b647528
Markdowndc1938aa5591adba6e7cedd4bf4b6f3c0cae3844ad37da9f78f2e946e101fd16
PDF
Publication page76481d893376cfb797d9746264a4b053a062345e59a649f0bea65d17d1ed1f10
Manifest7755939243f20c4d9a07300aa61191885ae8a6b2db2eaf1efb233e1cb7c839f2

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
SignaturexZdtbkzgFmaRm+2TqUz9v4mBMx2e/7Ko1WikvbK2XkQrI2lHymlLIxn6J2fy7DR/7eXMiLv3h3eNKukDsOgXBA==
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

2026-09-17T11:51:04.930562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023146
observed 76481d893376cfb797d9746264a4b053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.912902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023146/manifest.json
observed 7755939243f20c4d9a07300aa6119188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.895736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023146/publication.md
observed dc1938aa5591adba6e7cedd4bf4b6f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.871897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023146/publication.txt
observed 8f3238081d799a8420f6daa4f815d561...
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.