OpenTechnical

OT-2026-000043204

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, pulsed 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-2026-000043204) never changes.

Identity and time

Publication numberOT-2026-000043204 · never reused
Internal UUID01a0ae7b-327c-77c3-846c-26dfa365abad · 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-2026-000043204
StatusPUBLIC

Content hashes

Canonical text778a06ce0db894e4202531d0d94a511e52b9a5299d3b34c3a8fbc5422210b528
Markdownb90da319c7dac0b384af9fa13a13818024af168c2fc2b69676b5b6d15d87d9e5
PDF
Publication page82ef1f2f461ce981cd4d83824db8055737ae4faa4535b0b8c185d4c1a38967a7
Manifestada0688ac51b1523269af27b8e13036b2dd21676f833fefe50766d0fdc828469

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
SignaturebqM1lFn7W2n/3nKq8LSe2N/57toMqY+9bpzmzWBkTwkMHWTpgTckby5TXVaSn2e0oSWxzxFaw/LVZ8ifq8HKCQ==
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

2026-09-17T11:13:39.807805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043204
observed 82ef1f2f461ce981cd4d83824db80557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.788682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043204/manifest.json
observed ada0688ac51b1523269af27b8e13036b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.769394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043204/publication.md
observed b90da319c7dac0b384af9fa13a138180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.750708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043204/publication.txt
observed 778a06ce0db894e4202531d0d94a511e...
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.