OpenTechnical

OT-2026-000079150

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, vented after 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-2026-000079150) never changes.

Identity and time

Publication numberOT-2026-000079150 · never reused
Internal UUID01a0ae95-ccbf-7396-9b0b-a48d5b780b8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079150
StatusPUBLIC

Content hashes

Canonical text6a382795ef36ea7c29f3d4fe58b5a6ad020c94516368c1eb8d0b099419519464
Markdown559051aa323fe5e0d91604d74a5487b067562cf438ee24df013a146d07629489
PDF
Publication page47af3ed6ed60b55d7d98547db7bdec8f4383a070c247ad85b0dc913cfaa637bd
Manifestee30be839e09c7823660bf1eeea49b689a51453b1fbb1871eab9c1350c5bedac

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
Signature4fR0GVi4PGJb424TxRcZ2k6QQwLFc1j0LpYmgm28mqDgXKEl6T6+4cpDnnQvzdDDYGeS/uwFhBEdzX86Feg+Bg==
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

2026-09-17T10:06:00.027702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079150
observed 47af3ed6ed60b55d7d98547db7bdec8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.008817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079150/manifest.json
observed ee30be839e09c7823660bf1eeea49b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.990193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079150/publication.md
observed 559051aa323fe5e0d91604d74a5487b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:59.971267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079150/publication.txt
observed 6a382795ef36ea7c29f3d4fe58b5a6ad...
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.