OpenTechnical

OT-2026-000042446

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000042446) never changes.

Identity and time

Publication numberOT-2026-000042446 · never reused
Internal UUID01a0ae7a-5d75-72b0-ba85-13638889f0cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042446
StatusPUBLIC

Content hashes

Canonical texteb1c0b9212fac51ff4588ee4d1ac42e2195a49cf8615cb2f35cb2b430d125ed6
Markdown57365b2814fcdc2b085568c631704576d176bb94d40f9118bf7b8f2737fa277f
PDF
Publication page1064a676214f608d8597ec50c1fadaa20ab81baefbf601c637522c928989488c
Manifest55f87ad31d05c0c08181ed72e3a1a43a4e5c2f885bd249300247ee77371bf076

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
SignatureLJI3luURP8CPD/eJShrC2AMrd34ZMKnYfUbQ8GeYaHoSwNxzQMBQO15N8j4X2+wgs528JQT41XTTJ3EV34jFCg==
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

2026-09-17T11:16:15.022006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042446
observed 1064a676214f608d8597ec50c1fadaa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:15.004960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042446/manifest.json
observed 55f87ad31d05c0c08181ed72e3a1a43a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.988334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042446/publication.md
observed 57365b2814fcdc2b085568c631704576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:14.970090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042446/publication.txt
observed eb1c0b9212fac51ff4588ee4d1ac42e2...
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.