OpenTechnical

OT-2026-000074173

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000074173) never changes.

Identity and time

Publication numberOT-2026-000074173 · never reused
Internal UUID01a0ae93-7178-7c51-8b2d-8f429c1c073c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074173
StatusPUBLIC

Content hashes

Canonical textfe4651de935e5c28c427518432fce714142bee7d792d9a77c6e53dcb28f16cfe
Markdown293ebb712a082a2f3325649681a05f6f4b38eb6bf7e2894caa7de9535773751a
PDF
Publication pagecdb44764b0c9bb6289d4858db2840e11f84f5582bdf3fd35e870b281dd584da0
Manifest7a4f1c7f05866432384d6a65e84eb567f297aa4678c1ed5c4d4088e6a1ff9d89

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
Signatureu4rOj6bPl53AhiAXZLL7DZi5VcSkN2IclMWNcjlIFPsIciar3LL/L8xHlJrO91YrURwTdTcGbold0TTh9SMACw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:01.439687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074173
observed cdb44764b0c9bb6289d4858db2840e11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.422678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074173/manifest.json
observed 7a4f1c7f05866432384d6a65e84eb567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.406628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074173/publication.md
observed 293ebb712a082a2f3325649681a05f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:01.390666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074173/publication.txt
observed fe4651de935e5c28c427518432fce714...
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.