OpenTechnical

OT-2026-000056593

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000056593) never changes.

Identity and time

Publication numberOT-2026-000056593 · never reused
Internal UUID01a0ae87-7af5-7433-b50f-071d944ca001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056593
StatusPUBLIC

Content hashes

Canonical text4fadf7b896a4e591082fd4d84f316c46b14621c9006d7d0fffd29fc73cedd495
Markdownd76acc2bbfa2413a662c57fd5a592b9279b8d5adf85a95c99e6adca8d29b1a97
PDF
Publication page69fc79adc713b7c6916d98d432fba326cac8485bc90039f8e7c5e0c2af716a88
Manifest82a56c386dbaf5aeea18072b1d26a8a16b202b69d6a90f47df0bac462135de5b

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
SignaturezEuteJ3+StrLnIOrelq4DVwrk/yb3EB459q8wceB3fjDGMgpaipaKblFynMskbX7hum7tMe9rNiEDMQe2e6IDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:56.407999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056593
observed 69fc79adc713b7c6916d98d432fba326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.388032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056593/manifest.json
observed 82a56c386dbaf5aeea18072b1d26a8a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.366911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056593/publication.md
observed d76acc2bbfa2413a662c57fd5a592b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:56.349862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056593/publication.txt
observed 4fadf7b896a4e591082fd4d84f316c46...
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.