OpenTechnical

OT-2026-000041982

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer

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-2026-000041982) never changes.

Identity and time

Publication numberOT-2026-000041982 · never reused
Internal UUID01a0ae79-e8a7-7a73-8de1-22a0cb243c7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041982
StatusPUBLIC

Content hashes

Canonical textfd9618a04a5d4fcff80f2cf363291cade4c60d97a4538d0c4d555642898e1645
Markdown855e93fc0915566fc1faeee845cf6856f13aaea80ea99150a215b082454fe3df
PDF
Publication pagee00286826d212f8e744b59b113853a7a87c6c91b8e761d2509d41f7d52edffe0
Manifest3c29ed4cf37930c17195b02be625c1685e869096ea913c6a9ee4c9958149cc28

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
SignaturegZYNk9a3JQl1DUR97rpMJH49nOACHX1hXv+Fwdb5TrkfOwhOCri51zWXVC08YmDHYQm1ZJxAfBWR/pP9xGHOBw==
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

2026-09-17T11:16:52.627441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041982
observed e00286826d212f8e744b59b113853a7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.609138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041982/manifest.json
observed 3c29ed4cf37930c17195b02be625c168...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.592370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041982/publication.md
observed 855e93fc0915566fc1faeee845cf6856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.573445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041982/publication.txt
observed fd9618a04a5d4fcff80f2cf363291cad...
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.