OpenTechnical

OT-2026-000062150

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000062150) never changes.

Identity and time

Publication numberOT-2026-000062150 · never reused
Internal UUID01a0ae8b-b8b1-758a-b65e-2c868cd88628 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062150
StatusPUBLIC

Content hashes

Canonical textc5bd7e850c13ca724b86991016967a543143bb4cb4942e04186d506ae6247ac4
Markdown9fb243458d266ee34df38d9a4c690f3ee163e188eed44658ca04356c2c1d9982
PDF
Publication page47dc5184c6b45f5c630ede9d83870a53f8cff29fa433fc3b49f6fbb617778ce0
Manifestcda1cc20c0ea384accd67cc214a2dd3f15809af87e84b8686c327406c0922b78

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
Signature1JZ/BmFa4n9OYlhNUH0S+MGYprWIDA5dhn4QM2R0k5IL82ag93XSa1V2BPbwgo26XE4BmgNRdEcZ7tYyf1USBw==
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

2026-09-17T10:41:13.243890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062150
observed 47dc5184c6b45f5c630ede9d83870a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.226249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062150/manifest.json
observed cda1cc20c0ea384accd67cc214a2dd3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.207505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062150/publication.md
observed 9fb243458d266ee34df38d9a4c690f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.189916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062150/publication.txt
observed c5bd7e850c13ca724b86991016967a54...
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.