OpenTechnical

OT-2026-000084789

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000084789) never changes.

Identity and time

Publication numberOT-2026-000084789 · never reused
Internal UUID01a0ae99-43b3-7665-a603-9ebca24649eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084789
StatusPUBLIC

Content hashes

Canonical textd93c1d0e879c59d87efcd402e818aefb5c0999760cb33596d2a4fecb7be44d09
Markdown0b5a843e21f5340c1ae7a9e719df5416b0237faec4c6f183c9c5bd355ae19181
PDF
Publication pagedae9f388b9a0ed8fa124fdd4a9a43e6c9bd57efc1a733b82b5f089ca1cba7eda
Manifest5c41a608ed2caa0488199607dbd5ef0eb1f17ea08343701063a31de3b7347186

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
Signatured0R6z3epiI/c4lF6DJ4MAEV4esfQH109xD/BHR5igYlA7Jh1bErdhPg9/Gf2n9VvhuffF2tjEW4hc4O/4nMTAQ==
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

2026-09-17T09:54:43.806903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084789
observed dae9f388b9a0ed8fa124fdd4a9a43e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:43.789150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084789/manifest.json
observed 5c41a608ed2caa0488199607dbd5ef0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:43.771649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084789/publication.md
observed 0b5a843e21f5340c1ae7a9e719df5416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:43.747070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084789/publication.txt
observed d93c1d0e879c59d87efcd402e818aefb...
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.