OpenTechnical

OT-2026-000080897

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000080897) never changes.

Identity and time

Publication numberOT-2026-000080897 · never reused
Internal UUID01a0ae96-b975-71af-8f21-f4dbcabf3b00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080897
StatusPUBLIC

Content hashes

Canonical textfbaa72301c26c48a6ca6314ca72c54c77826c9bcc9346a70241d21773815cb5f
Markdown474d2bcafb813835666d6d814471850aad4e6df289e7fee976d547c0c8333230
PDF
Publication page05db2ed77938425532da9e74df329586d1a62ac82e261662e5369ad45fc6ec00
Manifest4d8f5e4fc5f61c68638197fa0700a3d4b702e71f3b9451ecdf9696aca6fc3684

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
SignaturewtakqIE7cw8TkwoInV348dxSXCS6G1SNh6ahMsJqpSIw7ilbVfBaQf2kyC3FhYECJOuxUetJVKkFzTshdVxEAQ==
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

2026-09-17T10:01:39.994189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080897
observed 05db2ed77938425532da9e74df329586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.975484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080897/manifest.json
observed 4d8f5e4fc5f61c68638197fa0700a3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.958128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080897/publication.md
observed 474d2bcafb813835666d6d814471850a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.937921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080897/publication.txt
observed fbaa72301c26c48a6ca6314ca72c54c7...
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.