OpenTechnical

OT-2026-000022154

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000022154) never changes.

Identity and time

Publication numberOT-2026-000022154 · never reused
Internal UUID01a0ae6f-f4fb-7b9d-8b24-45aa941ddb2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022154
StatusPUBLIC

Content hashes

Canonical text55abc0df17cdb5fdeb3ff6e06c9e5696842216ab5fc175df03adf8d44af41725
Markdowne730d8036de51d617b3ad6aaee29bc520f22f5b119561f9d6ba103d1fe237246
PDF
Publication page2a5cd8ec9433992e1ae6b4518f660bff455c16c961325bbf92193db5f4fbd94c
Manifestfa304e37bab6b88eed13447b92e317c30008dfce01aaf629df0b6cb48915bc9e

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
SignaturetThkmOg4KtCh30maHsZQVdIDSNkBkRqbhCuPsfBTCQ6CqTDYH4pfmKSV+etqwf3orwAx24wfUEjaA1Jv0vpVAA==
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

2026-09-17T11:52:49.955282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022154
observed 2a5cd8ec9433992e1ae6b4518f660bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.935640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022154/manifest.json
observed fa304e37bab6b88eed13447b92e317c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.917540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022154/publication.md
observed e730d8036de51d617b3ad6aaee29bc52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:49.899401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022154/publication.txt
observed 55abc0df17cdb5fdeb3ff6e06c9e5696...
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.