OpenTechnical

OT-2026-000086293

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000086293) never changes.

Identity and time

Publication numberOT-2026-000086293 · never reused
Internal UUID01a0ae9a-2c95-7009-b557-53686266eaa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086293
StatusPUBLIC

Content hashes

Canonical text3a1acca3c8d5f5d3103b378ae7b4d26859331277f22259c79e919f8b0272dae7
Markdown405b0ce116dde54f4198f7bbeaf307c419f12eb827b3372f2fdf08be652fd5ee
PDF
Publication pageaf16849b21315156bbcf5f056e273da79ce61b0dcae183210261cb47b4f842b8
Manifest4ac66d50df3fffadaa24f8828d4c0c55c8e52cb2137665500609bcc70d83c663

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
SignatureoVxPh78YLnfYsywbNjPk5DGvCTZ/njqiNlRsFxhgGpwUQnC43MWL/yeIMBjK9iuVvPz0I695xW0V9LObw1IZAw==
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

2026-09-17T09:51:58.237605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086293
observed af16849b21315156bbcf5f056e273da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.217767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086293/manifest.json
observed 4ac66d50df3fffadaa24f8828d4c0c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.199032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086293/publication.md
observed 405b0ce116dde54f4198f7bbeaf307c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.178272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086293/publication.txt
observed 3a1acca3c8d5f5d3103b378ae7b4d268...
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.