OpenTechnical

OT-2026-000052456

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000052456) never changes.

Identity and time

Publication numberOT-2026-000052456 · never reused
Internal UUID01a0ae84-573a-7e86-bfab-c6808e5cedd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052456
StatusPUBLIC

Content hashes

Canonical text18731fe84e370294f9ecc03df57de8b8e5842257ab27f8a3a11aa11fc8fb6297
Markdownc4335e8f2530761be2468db3e4ee393d8579759c46648c690a68254f2d4bc49f
PDF
Publication page249d9ba8c1a06e8c803ceb57878368646220eff4b5e3f925e96330004077983f
Manifest8fb96667184f87422fedaad84bcc2251b8349783797cd9ae502c2843c95274ca

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
SignatureKBYF/K3x6TUG1P9kjnlJ645tDrbL9ArI8qK9Tz6vl/LmzubkGjNWAJJJjMG/r4qeNd25KIlssscohNlj01uTBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:04.882278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052456
observed 249d9ba8c1a06e8c803ceb5787836864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:04.863862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052456/manifest.json
observed 8fb96667184f87422fedaad84bcc2251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:04.846295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052456/publication.md
observed c4335e8f2530761be2468db3e4ee393d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:04.827376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052456/publication.txt
observed 18731fe84e370294f9ecc03df57de8b8...
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.