OpenTechnical

OT-2026-000019213

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019213) never changes.

Identity and time

Publication numberOT-2026-000019213 · never reused
Internal UUID01a0ae6e-f391-7e86-9682-c34ddf5f6320 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019213
StatusPUBLIC

Content hashes

Canonical text5b2666de61a720f97c6bd5df006d308387d05b78ea37c487b8e9a97535c6f5e6
Markdown0874d005152ae303281a3cf4e932f04c87bc4436ddb16bc80cceb042e521e028
PDF
Publication pagea66d4bd63e8d02582bf168439da63b3af010d91552d04004e5a273663d889b7d
Manifestcc827aafddb8d85f28af8d5806710199c5db310363122c65cf2df0ba3156784e

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
SignatureBK+USiSd/ZSFcOU5O5nqimX4u5gAysDsfvI//Gabbus0rczUCzEuLCu82K45uRkmsC7I799a9BzMLJ66O69lCQ==
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

2026-09-17T11:58:32.138051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019213
observed a66d4bd63e8d02582bf168439da63b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.121962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019213/manifest.json
observed cc827aafddb8d85f28af8d5806710199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.105456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019213/publication.md
observed 0874d005152ae303281a3cf4e932f04c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.088920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019213/publication.txt
observed 5b2666de61a720f97c6bd5df006d3083...
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.