OpenTechnical

OT-2026-000041730

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000041730) never changes.

Identity and time

Publication numberOT-2026-000041730 · never reused
Internal UUID01a0ae79-e8a1-7b6a-8e29-686083374bb9 · 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-2026-000041730
StatusPUBLIC

Content hashes

Canonical text195e196545a8fab70252580490a21945ce0e26b09fc93ebdb0a9733ddcf4be96
Markdowna1013f5b583168b74702e19bfc8428e32b92aa6e53f6424a9963f1dc0d1abc07
PDF
Publication pageb798008049d80e7dc708f28f7e279399ee029c05320166e8f8dd1959268ad184
Manifestd55379c930157add7ebbea603d725cbd64976454066f8b85e2e62319358a2f59

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
SignaturegV4LE+SqNx7PPL+ai3byyocDCfgZv81yAd+no+60q8cSOAZKALbqFgQyZqK+suwcE5WITC1s3KM5VX24YemIDQ==
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

2026-09-17T11:16:34.287170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041730
observed b798008049d80e7dc708f28f7e279399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.268277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041730/manifest.json
observed d55379c930157add7ebbea603d725cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.250671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041730/publication.md
observed a1013f5b583168b74702e19bfc8428e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:34.233410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041730/publication.txt
observed 195e196545a8fab70252580490a21945...
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.