OpenTechnical

OT-2026-000086238

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000086238) never changes.

Identity and time

Publication numberOT-2026-000086238 · never reused
Internal UUID01a0ae99-e82c-7b6d-a85d-ff49944ca2b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086238
StatusPUBLIC

Content hashes

Canonical text35f7094b8aa71f2b7c7f0320ff73ea3bf0bae45916c4e7db50530111cc1aa8fb
Markdown0a226cbe06f9fdfb023c1b4ba9622f52088e3a9569b8773e5be575a3f350b931
PDF
Publication page383747fd368bf5f03b2e21b8209cbb994ded0290947ce2a0b136880d3edfa407
Manifest2c1c188ae6f01d08052ea08cfd1f56d865561742661ccdb5a464e0e9aacfc8fa

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
SignatureZ/nVujNlpNiJvNqrZdH5K96DxX4zQjtfHRtj9nrgPLxAkjh251xIC68NK8ELG7XZ0EL7r03Px/3SjrqmbVAjDA==
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

2026-09-17T09:53:55.605728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086238
observed 383747fd368bf5f03b2e21b8209cbb99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.588686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086238/manifest.json
observed 2c1c188ae6f01d08052ea08cfd1f56d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.571297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086238/publication.md
observed 0a226cbe06f9fdfb023c1b4ba9622f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:55.547207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086238/publication.txt
observed 35f7094b8aa71f2b7c7f0320ff73ea3b...
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.