OpenTechnical

OT-2026-000048525

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000048525) never changes.

Identity and time

Publication numberOT-2026-000048525 · never reused
Internal UUID01a0ae80-4de6-7944-ae2c-283317041a48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048525
StatusPUBLIC

Content hashes

Canonical textc2f3c8788f8a2da656e4520b70a3d61b8b09c4139ef01d3a8998f264d4434062
Markdowne5da44d4778d1cb59725d7549767ac7d8f7b0bcd9df975eb5bcf9d1f6394e5f8
PDF
Publication page8f8c0b7f35fc9b72bd89d884bc551bbe823d84a1e43d398c8573bac7d74e41a9
Manifest83cfa1385950c43f5228726b7973ae7227813ebf3ede1c7643d920efa0dacac3

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
SignaturebaXsUMDqUr2sK3AGzwqcf9BQEz1BBRzNiZUgpQ1lZBU2qThdldOrrLwRrC+9aMEi0kLKjZmAWGfws8NLH2+tDA==
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

2026-09-17T11:05:18.686881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048525
observed 8f8c0b7f35fc9b72bd89d884bc551bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.667203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048525/manifest.json
observed 83cfa1385950c43f5228726b7973ae72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.648478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048525/publication.md
observed e5da44d4778d1cb59725d7549767ac7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:18.627806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048525/publication.txt
observed c2f3c8788f8a2da656e4520b70a3d61b...
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.