OpenTechnical

OT-2026-000039729

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000039729) never changes.

Identity and time

Publication numberOT-2026-000039729 · never reused
Internal UUID01a0ae78-d8d5-7ea9-b8b6-966a8088c0b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039729
StatusPUBLIC

Content hashes

Canonical text366d7a0e6b6a564f06befee1700d4eede1351168e740abb5b1e55247b9be7b01
Markdown2a954a318d2fa4a99d08ca06a408a154304738d33f935a5a6e55b1400b4f2ee8
PDF
Publication pagec9ed51d2849e7f02f64b987e51e85e96262ae83d1fc024d3775ce53d7c17e09b
Manifest105701026faa665d0d35c0505a2a728fda2bb5564f588bffbd3eebb5178cef97

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
SignaturegmbEXjSkXYXQKt/nXnLUqGoAo3ypzBP+QPFvgjmXG24xAyxtFuDQvPGKV1dqCC5/ntDu7INQwktRbOJpnWjICA==
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

2026-09-17T11:19:56.040080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039729
observed c9ed51d2849e7f02f64b987e51e85e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.021446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039729/manifest.json
observed 105701026faa665d0d35c0505a2a728f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:56.000680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039729/publication.md
observed 2a954a318d2fa4a99d08ca06a408a154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.982788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039729/publication.txt
observed 366d7a0e6b6a564f06befee1700d4eed...
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.