OpenTechnical

OT-2026-000043400

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, pulsed 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-2026-000043400) never changes.

Identity and time

Publication numberOT-2026-000043400 · never reused
Internal UUID01a0ae7b-327e-775f-82b0-b42d7cb0656a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043400
StatusPUBLIC

Content hashes

Canonical textc63c0c399f97a31aeabf92fa326db437fce799124a37f5167d3a6e1ce2e32009
Markdownfe7cc0a7aa800b99dc4be5d83422841a76f3659debb4fe94adb1dfa363efca51
PDF
Publication page9288e3500df78d25cc147918bafd553aee964ac72cdd0a5a087884e63fdafb9a
Manifestfc1cfbedca75bbc66c3a4373c7ab34ce1708470b68807ad85eb1b079d6efa326

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
SignatureVIOMsaVGGLei7EzFwb05oq7skyYVusBBsjorqV3kCkxtuUCh792lo20AaBzCsfJ3aE9MYgNgSqGhqWVWeAX7DA==
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

2026-09-17T11:13:56.164613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043400
observed 9288e3500df78d25cc147918bafd553a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.146323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043400/manifest.json
observed fc1cfbedca75bbc66c3a4373c7ab34ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.125681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043400/publication.md
observed fe7cc0a7aa800b99dc4be5d83422841a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:56.106678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043400/publication.txt
observed c63c0c399f97a31aeabf92fa326db437...
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.