OpenTechnical

OT-2026-000061128

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000061128) never changes.

Identity and time

Publication numberOT-2026-000061128 · never reused
Internal UUID01a0ae8b-137e-7ae1-bda1-f0edb0782892 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061128
StatusPUBLIC

Content hashes

Canonical textb1f9d207ac638f6484389449123dc917aa4b73cbe36ae9c59e867707099387aa
Markdownc2740aa73c3fe69a3d5ad06a69aaa766a144e16d2d613b074fe2bed45a7a4b64
PDF
Publication page516cbe395720a1336ea33f50ee8899fb0fabd4b6b6477a123ccef519718a4d2b
Manifestf08bf4baa147114b6b04eaef45cf8ee7f7ec44e0d9d47d4683200e02a43300c7

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
SignatureKu95eY4N+7/6r3ZF/tDBb1P2qSW98qCJEeK4Ek5eXYQTul53ZBMhVkzBiqphwajzvlx3llsSYzNs3a0yRJ8lDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:30.269925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061128
observed 516cbe395720a1336ea33f50ee8899fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.247299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061128/manifest.json
observed f08bf4baa147114b6b04eaef45cf8ee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.229543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061128/publication.md
observed c2740aa73c3fe69a3d5ad06a69aaa766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:30.209661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061128/publication.txt
observed b1f9d207ac638f6484389449123dc917...
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.