OpenTechnical

OT-2026-000048446

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000048446) never changes.

Identity and time

Publication numberOT-2026-000048446 · never reused
Internal UUID01a0ae80-4de5-7d9a-a42d-c3832cee23fe · 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-2026-000048446
StatusPUBLIC

Content hashes

Canonical text0019e28c25c7fad22167ed19611254601c53dc516b96f2a115aaf2d361d7de16
Markdown065866908402039cd8bd275f45f1bdf158979223352250231320e8e9fb3bf7ce
PDF
Publication paged94b29da6c11c837b8386ec8e47763152ca77c7231bc5d4a9ecb8cad6a4484d1
Manifest35e600ae50d4a05bd1c48f1af41946e1e5ff20c867c35371f5d4e0720d3fea9e

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
SignatureN/e6vRe/cEIz6524Z9R1ByLGKXMp8WfhirZc4Lw4cbX4IuGbtTKUYzPIwh7ULgqB3SM59/BpJ52G0u1ZT7JfCg==
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

2026-09-17T11:05:06.004850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048446
observed d94b29da6c11c837b8386ec8e4776315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.984691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048446/manifest.json
observed 35e600ae50d4a05bd1c48f1af41946e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.966949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048446/publication.md
observed 065866908402039cd8bd275f45f1bdf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.947644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048446/publication.txt
observed 0019e28c25c7fad22167ed1961125460...
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.