OpenTechnical

OT-2026-000074284

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000074284) never changes.

Identity and time

Publication numberOT-2026-000074284 · never reused
Internal UUID01a0ae93-7178-7e2a-aedd-f70b4aae6d40 · 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-2026-000074284
StatusPUBLIC

Content hashes

Canonical text6d90b02624fe72fb8a2be6bf0995bb5bec6e12e48466b23995ae470204bcc874
Markdown6f2c28dd93d67c9d9a32282f459fc1a29fb605d79c1320325941d3e3ee83ec3c
PDF
Publication pagee1160a50c9655119c8f53cd155fc3530f55f965ee258924a6e92b3096ab096fd
Manifest3c302768716b9ad89e92203b7fb462a6ecd2c6ab6f92042e8f5e450c4395b0ba

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
SignatureZhVdqO2SMzW1Hh+m1nSUAfgUSY0afMJ1VR2gHrELgM4o9JtLD5JkcekqSX5bYqfUMF6ApLOcUY8CEEGfIQ0TDw==
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

2026-09-17T10:19:11.549627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074284
observed e1160a50c9655119c8f53cd155fc3530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.531335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074284/manifest.json
observed 3c302768716b9ad89e92203b7fb462a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.512387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074284/publication.md
observed 6f2c28dd93d67c9d9a32282f459fc1a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.495318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074284/publication.txt
observed 6d90b02624fe72fb8a2be6bf0995bb5b...
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.