OpenTechnical

OT-2026-000062167

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold 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-2026-000062167) never changes.

Identity and time

Publication numberOT-2026-000062167 · never reused
Internal UUID01a0ae8c-0abc-7ec9-83b0-d9a2af962638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062167
StatusPUBLIC

Content hashes

Canonical text1a421f4ab5548ee9be632e9c49926c58ce1a9c5483c2f4baf1b5e08afd306259
Markdown53052236ff92edfff569d5e455dfcd285d84b3771572cab84fa06a491abfcecf
PDF
Publication page0858272461e1511e1edf65f5b80ce73011dbc1c67c599782c16df4e0e918da31
Manifest245b55774424bcc0142f9f7e955ad4e9ebfb9a3438bb4336a428f99617e306aa

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
SignatureY36ZvVCdDAbWeNjMOcQk7q+AS0IPlrtCBFCuDoGHfUbKbZUDEo9nLtgYxoWrh/EmGeg5fYAyHQZxAbRhT8vHAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:25.223108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062167
observed 0858272461e1511e1edf65f5b80ce730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.205746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062167/manifest.json
observed 245b55774424bcc0142f9f7e955ad4e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.188375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062167/publication.md
observed 53052236ff92edfff569d5e455dfcd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:25.171798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062167/publication.txt
observed 1a421f4ab5548ee9be632e9c49926c58...
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.