OpenTechnical

OT-2026-000041618

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000041618) never changes.

Identity and time

Publication numberOT-2026-000041618 · never reused
Internal UUID01a0ae79-e8a0-7ca7-bdb6-1feebf6e3a5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041618
StatusPUBLIC

Content hashes

Canonical text42f72cdd3d2f9bb020e1904da20ff3c9e240975faf154553482ed71183c26d38
Markdown0c11394d837f6c9ee7e1abc884850c6bb5e3a69383da22d1e17c345c496b1c88
PDF
Publication page688f3b9984e82119a35d50924486e251a78c526443d1c733a7c0ff0dc799a48e
Manifest88384a268d574ffca88eb73417a2c399d8dee58708e9d0e0f761c152227e3800

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
Signature+nmxr6mtLtjb2UqherJb5flkB2IciYJAcCZESLjB1uUfKBtlbKeeMowc7dmssMbadVseRacwpjYIT4PuBwWXDQ==
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

2026-09-17T11:16:24.796766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041618
observed 688f3b9984e82119a35d50924486e251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.781206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041618/manifest.json
observed 88384a268d574ffca88eb73417a2c399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.764864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041618/publication.md
observed 0c11394d837f6c9ee7e1abc884850c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:24.749483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041618/publication.txt
observed 42f72cdd3d2f9bb020e1904da20ff3c9...
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.