OpenTechnical

OT-2026-000028192

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000028192) never changes.

Identity and time

Publication numberOT-2026-000028192 · never reused
Internal UUID01a0ae72-a520-76e3-9a27-14b4d7d8b228 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028192
StatusPUBLIC

Content hashes

Canonical textccd5fce2fe438dbfc6381697ea0557e4a153aaa17703706f918bde5b8f18f3fd
Markdownec28ceaad0050fff624b5ad4ded8496f338a13412e3d997be149a14303528e6a
PDF
Publication page4e0c749050a2f84fe68744330ff3a0eef85d32768ebe0622e37e103d0147ff31
Manifestb0106a11e9db4836c0e99f61c6c3ac7e9ad0eeda92f8ab33388effec5b831577

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
Signatureu/1ELiTlwGUAy/b3JPbe1BjfbpwDTeVDQMa0PhFE/Cz/xG0cbY5qheYro7t6lfrRbAQ0/zAt3j46bZdSFXyuDw==
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

2026-09-17T11:42:33.287505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028192
observed 4e0c749050a2f84fe68744330ff3a0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:33.270304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028192/manifest.json
observed b0106a11e9db4836c0e99f61c6c3ac7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:33.252231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028192/publication.md
observed ec28ceaad0050fff624b5ad4ded8496f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:33.236003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028192/publication.txt
observed ccd5fce2fe438dbfc6381697ea0557e4...
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.