OpenTechnical

OT-2026-000030446

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000030446) never changes.

Identity and time

Publication numberOT-2026-000030446 · never reused
Internal UUID01a0ae73-e503-7fc1-98f7-39876e81addf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030446
StatusPUBLIC

Content hashes

Canonical text95e123aac393712391e70468b0424f34e38bea18af29cd0643d4191d9726b829
Markdownc25f777dc7d6ce35f4c39d45272aa8b0f2cbb5319eefa1287b4f165113daadce
PDF
Publication page2ab47e7f66bc11164562177fe0138f559055dd8d6f559ae32fdd3b108e342b7b
Manifest75943a409bb21e16a1b59e83a649c169ccf43959f74d23f30c8980d83430cbc4

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
Signature68OFhK+yzfV8vs+fpAuhYO2tpmQV6zPsASQ3QxJwEQmhYf85IYYUoCLlO+bFQ0X+hUjCx4DUvsz1g34GDw33Dw==
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

2026-09-17T11:38:11.313654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030446
observed 2ab47e7f66bc11164562177fe0138f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:11.295964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030446/manifest.json
observed 75943a409bb21e16a1b59e83a649c169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:11.275411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030446/publication.md
observed c25f777dc7d6ce35f4c39d45272aa8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:11.259333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030446/publication.txt
observed 95e123aac393712391e70468b0424f34...
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.