OpenTechnical

OT-2026-000078259

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000078259) never changes.

Identity and time

Publication numberOT-2026-000078259 · never reused
Internal UUID01a0ae95-7c27-7bb6-9183-8bd321ce0795 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078259
StatusPUBLIC

Content hashes

Canonical text6c0105f36f9f5fc9039e2f1558dd7f45bcea58fa12241674698945e175b74de7
Markdown0f63fcc2eaded912ca4ba1e47155b4d74bb95763cdfc67e1d0f532a83997a5a9
PDF
Publication page5be5af714652b845ce89748ff19c0f46d712c119df2fe06f3b4c6f6f9111c20d
Manifest0e19cb5394ed825fdba400faee81f2064ec320ae3064fb87dee8b7ea2994fc5d

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
SignatureZExXh+/lK42BdMTdyCVMoO8tcYb7PLFhMqLbzaptDs2IfeqlXOhAvmDnLCEOK2BUzyMGTqM+/3D/nu8BrwWDAA==
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

2026-09-17T10:06:13.128164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078259
observed 5be5af714652b845ce89748ff19c0f46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.109389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078259/manifest.json
observed 0e19cb5394ed825fdba400faee81f206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.090798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078259/publication.md
observed 0f63fcc2eaded912ca4ba1e47155b4d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.071231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078259/publication.txt
observed 6c0105f36f9f5fc9039e2f1558dd7f45...
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.