OpenTechnical

OT-2026-000041606

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000041606) never changes.

Identity and time

Publication numberOT-2026-000041606 · never reused
Internal UUID01a0ae79-e8a0-734c-832e-480c4ceb0d68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041606
StatusPUBLIC

Content hashes

Canonical text1dcd595487aa6dc2a7a284c0604885d2100b888e92d559cbbdf48a021f49efd6
Markdown89e044e7394b35941172a39f6d681bf26aa631e561c6af68501970972d057af7
PDF
Publication pagec966068d4d50e6c9f13a1c8cdb2c9f9040bb5ebb317afad7727d3f01f86b5bbe
Manifest2eb374c808009ce8a634b2ca85a2f63bb64a4f23a10d50bd7475a773896249dc

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
Signature90J0DBWsqHcKCUihBRCmJTdFL8WHMtP7oGNXPDhY6aFQUbwlj9HSWMI2uVFB4/xGckjf37G23vF7WnTobYCCCw==
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

2026-09-17T11:16:23.905597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041606
observed c966068d4d50e6c9f13a1c8cdb2c9f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.888642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041606/manifest.json
observed 2eb374c808009ce8a634b2ca85a2f63b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.872740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041606/publication.md
observed 89e044e7394b35941172a39f6d681bf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:23.857547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041606/publication.txt
observed 1dcd595487aa6dc2a7a284c0604885d2...
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.