OpenTechnical

OT-2026-000041926

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after 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-2026-000041926) never changes.

Identity and time

Publication numberOT-2026-000041926 · never reused
Internal UUID01a0ae79-e8a6-7336-86b7-8d4177a5eaab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041926
StatusPUBLIC

Content hashes

Canonical text01d0f2d460d1328ee71f43f1a582199e51b3f7600f30835e2311cae999853ae8
Markdown6364f8dbb62fb5db336e498e36649066070bee302a955d362f74be3846d3cc54
PDF
Publication page46d1b2ad237954cb314e61213ce5a01485b5f8e3be02aa25c0b5297f3bf3d6b2
Manifestbf064aab12f0d53ca99121c9a4a880ba23edbe30b7b9033dc482e3b3e6970d13

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
SignatureGoObY6LmX64zYrI5wI58OYHTDRg4SEA4/ocL4qTOH85lQkUaUbvYlbV9ClU+dYoeYodRD5e9I9TocVQrmZuaAQ==
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

2026-09-17T11:16:48.775607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041926
observed 46d1b2ad237954cb314e61213ce5a014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.759546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041926/manifest.json
observed bf064aab12f0d53ca99121c9a4a880ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.743437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041926/publication.md
observed 6364f8dbb62fb5db336e498e36649066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:48.727364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041926/publication.txt
observed 01d0f2d460d1328ee71f43f1a582199e...
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.