OpenTechnical

OT-2026-000080589

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000080589) never changes.

Identity and time

Publication numberOT-2026-000080589 · never reused
Internal UUID01a0ae96-7e79-7fc7-a9be-d5691c0baead · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080589
StatusPUBLIC

Content hashes

Canonical text28339afdf4e5ea8796614b45bbe07b54610b24a23f1d2decc21366c6097afdae
Markdownd1121f5e088595677513ef4cf29518e5704151ca951f9a0c7e5f86cc45afef3b
PDF
Publication pagef4a4cfc4d65341b7835f2afdbaac537e11e591d2548de58a9b2fc2682ba5410c
Manifest0f2a60cd4e4f0a4f48e4d8b42d1ab78f7776d718599cc969c933de252c0bd3b9

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
SignatureR4OuoULEdknj+mb3guV4w97MpfGwCk5apNx0c5ggONUjDvcl9+sibhkU1e678zNhEPpbmSNl58MnY77VO8RhDw==
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

2026-09-17T10:03:13.430107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080589
observed f4a4cfc4d65341b7835f2afdbaac537e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:13.411950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080589/manifest.json
observed 0f2a60cd4e4f0a4f48e4d8b42d1ab78f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:13.393515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080589/publication.md
observed d1121f5e088595677513ef4cf29518e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:13.376113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080589/publication.txt
observed 28339afdf4e5ea8796614b45bbe07b54...
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.