OpenTechnical

OT-2026-000039435

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000039435) never changes.

Identity and time

Publication numberOT-2026-000039435 · never reused
Internal UUID01a0ae78-9675-7b56-8810-18fd040d1a3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039435
StatusPUBLIC

Content hashes

Canonical text2396c35baecc2738cb1f56f5dc758c47e7633088efe417821fa0437acf2a302f
Markdown1e6554cf9616fedcbbc2cbd0c72f447b0e32e8e58f2c5da7aa2722c3ef1deb48
PDF
Publication page20c85b35745ac53cce3fc50d566fc06efad49b9ae33bb3665ad431bda6233b5c
Manifest550d256ae1cdaf8961cfdf079ac3277cf59f36f70786d6bc3cc6d26acb3c43ee

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
Signature8Vpybgv9f9QFsXm2XMJa0XM6J+4jVuZrf4QzJWoGu7Ppa3x3btxEh1/3yPQX6/t78ZCMo68rEcP8bTX7kidpBg==
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

2026-09-17T11:21:03.177809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039435
observed 20c85b35745ac53cce3fc50d566fc06e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.159694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039435/manifest.json
observed 550d256ae1cdaf8961cfdf079ac3277c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.143785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039435/publication.md
observed 1e6554cf9616fedcbbc2cbd0c72f447b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:03.126265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039435/publication.txt
observed 2396c35baecc2738cb1f56f5dc758c47...
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.