OpenTechnical

OT-2026-000037300

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000037300) never changes.

Identity and time

Publication numberOT-2026-000037300 · never reused
Internal UUID01a0ae77-b8cd-768b-bbf9-bd5fdbce5e7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037300
StatusPUBLIC

Content hashes

Canonical text8542b11b3fa0e770e13d3ca4dc7175c18b541fdd3cf2756d1bd358e37494904b
Markdown26302f843ced56c67511cc31e80ffd5578c71633111ca8aa6eac067fdf09d361
PDF
Publication page200882506b33ff9bb7d760f2c794208ca1f257cbaab2cde28877505e7a067ece
Manifest0f01e2301827d59d9781d009f7f06009b827fb0f74e9ab09fb22975e1baf6fae

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
SignatureBFiphGfggT+5xFp0Ln7q0TI60bh1motd8V20RgwQUVWwO5QgWO1lkTKX+EHA//LGqfVEAArwCaXSAFNbTR5uCg==
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

2026-09-17T11:23:35.292545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037300
observed 200882506b33ff9bb7d760f2c794208c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.275939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037300/manifest.json
observed 0f01e2301827d59d9781d009f7f06009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.258718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037300/publication.md
observed 26302f843ced56c67511cc31e80ffd55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.241332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037300/publication.txt
observed 8542b11b3fa0e770e13d3ca4dc7175c1...
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.