OpenTechnical

OT-2026-000009162

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000009162) never changes.

Identity and time

Publication numberOT-2026-000009162 · never reused
Internal UUID01a0ae6b-31b9-72e4-81a6-1c1a522dc23f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009162
StatusPUBLIC

Content hashes

Canonical text32763bed4e1eb0d9909cd7f090548ac903acee8efc2908b7193ac1281604cc09
Markdown21e03b3491df28df8c7905ed005bdba609b0089c2c885bf52639122233d84c7d
PDF
Publication page92d59c6eec428ad580ad9be0df249f3cc180d6edda67ea3c8e510637a5f8ac1c
Manifest8f7c9bb51d447889190d7350b8329d1fc8da4b32ea3e7bdfbaf774e3297dbde2

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
SignaturemZ5IbgIM4VO8F4RlQ9D1Yz2D7bcA6htENn/EB25QyQ+PmUZ6miB9X6tqz+g3dMf30U8e7OzKOfdTntVOSu1NCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:52.026605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009162
observed 92d59c6eec428ad580ad9be0df249f3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:52.008487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009162/manifest.json
observed 8f7c9bb51d447889190d7350b8329d1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:51.990396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009162/publication.md
observed 21e03b3491df28df8c7905ed005bdba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:51.971993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009162/publication.txt
observed 32763bed4e1eb0d9909cd7f090548ac9...
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.