OpenTechnical

OT-2026-000018015

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pulsed 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-2026-000018015) never changes.

Identity and time

Publication numberOT-2026-000018015 · never reused
Internal UUID01a0ae6e-96fc-72f0-b1bf-6a45ff81c2d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018015
StatusPUBLIC

Content hashes

Canonical text27d13e217cd0bfa12d5793ebf26ff5374ccb7f1cbf3206d9f221300ac7edfd9f
Markdown140d943676eece7198776d569576ece54e4e1da85bcafb0d26af8bf7e2937e2e
PDF
Publication page740fd7285f7442ef4053828700e29e953d226a17a8e2c4c1cd828859ccbc943a
Manifestbe77bd5ace955351519483f1e856b14882c2539c52a10e92f970a8213e6a216b

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
SignatureOliDz5yIm7FGdOjpdKtTP8pcNERieGy8O5lvF2D0pRDV5u0CmucjR7VfMtNfP/xU+wAvcqc6bjTJ52HrjWPJAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:02.372524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018015
observed 740fd7285f7442ef4053828700e29e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.355352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018015/manifest.json
observed be77bd5ace955351519483f1e856b148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.338406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018015/publication.md
observed 140d943676eece7198776d569576ece5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:02.322114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018015/publication.txt
observed 27d13e217cd0bfa12d5793ebf26ff537...
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.