OpenTechnical

OT-2026-000042682

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000042682) never changes.

Identity and time

Publication numberOT-2026-000042682 · never reused
Internal UUID01a0ae7a-c0cf-75b8-b9f4-6382da965323 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042682
StatusPUBLIC

Content hashes

Canonical text408ff3a2e6937d31e48943400804c85288007391f45ab7e9ed0655a1ce16d1a9
Markdowne98955b42600413bc79f4310bce228afcbbd5d262c3c2ed8a63aefe6bd6d541f
PDF
Publication page2c9df74e933352a3fc5b97a43067986ccd95e6cbaab9aa60d707823eea549dbd
Manifest87a9d52952b0f39cd83970ed65e6798e9481ec7950bf312cd1384c8e8df2a42b

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
Signaturer13EU81RcPAbNmITSbZcV90AFbisvHI8xwz5eVkat+Wr46W5VePGZuAhdor8yVyr6WYWksCcr8x5Ygw19gBfCw==
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

2026-09-17T11:15:02.138133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042682
observed 2c9df74e933352a3fc5b97a43067986c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.119608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042682/manifest.json
observed 87a9d52952b0f39cd83970ed65e6798e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.101176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042682/publication.md
observed e98955b42600413bc79f4310bce228af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:02.082776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042682/publication.txt
observed 408ff3a2e6937d31e48943400804c852...
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.