OpenTechnical

OT-2026-000080638

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000080638) never changes.

Identity and time

Publication numberOT-2026-000080638 · never reused
Internal UUID01a0ae96-7e79-7fef-8207-748595fb5ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080638
StatusPUBLIC

Content hashes

Canonical text7d79eec3a827f2d635b5d12f6152b68e9465fcec5018f8a389d33ace7cc51d8b
Markdown961a2162ec376815b2c30118c01ba8e1450d7f6419f0a932fd04698efef9988e
PDF
Publication pageb475ee9aea862df7a0b9c338280ceef417e90d47961cd5c1fb160713b6970e39
Manifest0beb3f7e84412b146d90e49c007beccd5304cdec6534bee5cef97f49b8ee8e22

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
SignaturenkC5Q2YVjVm4pDRu4siyaEd/WwpaDmorGTkgOWmdkIhdke0mwzCR8ULdQ5y2vnV4BrZPc0ImFtUuKHheYTVyBA==
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

2026-09-17T10:03:17.959520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080638
observed b475ee9aea862df7a0b9c338280ceef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.933382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080638/manifest.json
observed 0beb3f7e84412b146d90e49c007beccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.903821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080638/publication.md
observed 961a2162ec376815b2c30118c01ba8e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:17.868440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080638/publication.txt
observed 7d79eec3a827f2d635b5d12f6152b68e...
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.