OpenTechnical

OT-2026-000043001

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off 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-2026-000043001) never changes.

Identity and time

Publication numberOT-2026-000043001 · never reused
Internal UUID01a0ae7b-3277-7560-b99f-7c05e5fdefbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043001
StatusPUBLIC

Content hashes

Canonical text72d4b26d55e2586c69d8d6d10cab36f8cb792fccc9c47d6733dc100d878bd6e0
Markdown5e476654056ea58fc8e61eb74d900debbb691ac809863c1d8ba9ae0c060f840a
PDF
Publication page460d6dff5384a691c2d0dfc412192cab4dc5704598c3aaa86e9f45fc63779eb5
Manifest0803e1b65885f561e9e9ad6e9d96b2d57e93c264bbfcc7c22b691db5eed1aa10

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
SignatureJGEpXppMGUbGkEDyM+7KmtMVFOp17dy5gFrUdnO5Q9Uk2p92QYZba1iD2jzXiyuR0bxUfvlLQCzA+twk3d6RCg==
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

2026-09-17T11:13:18.567851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043001
observed 460d6dff5384a691c2d0dfc412192cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.549923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043001/manifest.json
observed 0803e1b65885f561e9e9ad6e9d96b2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.533082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043001/publication.md
observed 5e476654056ea58fc8e61eb74d900deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.515247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043001/publication.txt
observed 72d4b26d55e2586c69d8d6d10cab36f8...
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.