OpenTechnical

OT-2026-000083863

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, sustained blow-off before 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-2026-000083863) never changes.

Identity and time

Publication numberOT-2026-000083863 · never reused
Internal UUID01a0ae98-0418-7cc5-a0df-37e4bd988fbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083863
StatusPUBLIC

Content hashes

Canonical text8932064f174f59d7ed2f7cd38c7ddc544c8b0ea3de70453182ce7d9a8f7688a8
Markdown23bccfeddeee52d41f20517f63c74405fa6874690587b08b9e49504a5810c47b
PDF
Publication page563b5d0a8181d10480b6723a9dea2ff731189f4e0b86a1c3bea85974758a80a8
Manifest0441a4ebada8d751f4df1b5478b2e418e90cfd058e8d85ab14450182ab741062

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
Signature7YIuq8v/vh4/+R3cE18Uemx4lqRVVHFSHvhOW/BmG6TvYeqibhvf8abTh7mv13vv+N53zcj8xsSDDhBodQn6CQ==
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

2026-09-17T10:00:10.111457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083863
observed 563b5d0a8181d10480b6723a9dea2ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.072544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083863/manifest.json
observed 0441a4ebada8d751f4df1b5478b2e418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.047140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083863/publication.md
observed 23bccfeddeee52d41f20517f63c74405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:10.004305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083863/publication.txt
observed 8932064f174f59d7ed2f7cd38c7ddc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.475579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083863
observed 563b5d0a8181d10480b6723a9dea2ff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.458595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083863/manifest.json
observed 0441a4ebada8d751f4df1b5478b2e418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.440036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083863/publication.md
observed 23bccfeddeee52d41f20517f63c74405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:31.423311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083863/publication.txt
observed 8932064f174f59d7ed2f7cd38c7ddc54...
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.