OpenTechnical

OT-2026-000057894

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000057894) never changes.

Identity and time

Publication numberOT-2026-000057894 · never reused
Internal UUID01a0ae88-6ed8-7a4f-a6e0-8d26c6b58295 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057894
StatusPUBLIC

Content hashes

Canonical texte4480ba613254e1b4c323faf01566a856d7fa64084412f192196695add8e7769
Markdown6117fd9c440501b04326fd738fbcfd36fb3da6ee1c1f9c7e4cbbe2f15f10d500
PDF
Publication page98f51816a33ffff10a188e339333aed8a0d7f17628776fa46979615f7146a3cf
Manifest97fe8901a1fdef7173e1c14a5fb9bb6c3dcf22889ea9fe415b7e0a1d2c72362c

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
Signaturel0y52HFGZYJrFfaxTOPQEtEavQE0a7tBLu2IeIkM2Fs6EBX6erQSw+4X6GZJqEA3u0jcQbSFRnOl+M/re92XBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:29.274587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057894
observed 98f51816a33ffff10a188e339333aed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.254039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057894/manifest.json
observed 97fe8901a1fdef7173e1c14a5fb9bb6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.234737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057894/publication.md
observed 6117fd9c440501b04326fd738fbcfd36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:29.216098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057894/publication.txt
observed e4480ba613254e1b4c323faf01566a85...
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.