OpenTechnical

OT-2026-000058557

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000058557) never changes.

Identity and time

Publication numberOT-2026-000058557 · never reused
Internal UUID01a0ae88-f39c-7d34-80bd-08f835e94bec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058557
StatusPUBLIC

Content hashes

Canonical textdadd215fa194fca76b753f2d1892f7baefe0488788d868c17da8031ae4f8f46d
Markdown485afe58694280c758a20a286fb0a9c84e3d09579e2ac68e3002624b47a3996d
PDF
Publication page8c1389dae7720cbdc2b48ed508cdca08e31bc5433f327576354134b64d92e3ad
Manifeste064ec7c81d5d577ca3fd1ffc48f05d8d24a337c0bcaf61f5169377f00180a61

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
Signaturesdwq08FF7gVePNFLG2XqtFUmEvhzWFxSU5Pv1FROOz8haL6569nKpIhnctHRBnk/ohrUwv/CE1fueSRF0Ln8DQ==
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

2026-09-17T10:47:02.285208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058557
observed 8c1389dae7720cbdc2b48ed508cdca08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:02.268784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058557/manifest.json
observed e064ec7c81d5d577ca3fd1ffc48f05d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:02.250499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058557/publication.md
observed 485afe58694280c758a20a286fb0a9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:02.234159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058557/publication.txt
observed dadd215fa194fca76b753f2d1892f7ba...
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.