OpenTechnical

OT-2026-000043749

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000043749) never changes.

Identity and time

Publication numberOT-2026-000043749 · never reused
Internal UUID01a0ae7b-d676-79ec-b227-d75716e2f9db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043749
StatusPUBLIC

Content hashes

Canonical text88b9b05ad38c6b08ca5eded05525e696282c095b93e23275dcf0239be6fae5ec
Markdowndcf69f96d4e2dc37364751d133763195a8bb7fcb78130e1ff9e6bd47fc45d8b3
PDF
Publication pagebb42b5ac72bf56d9c213ed2d474a5337f2eca707241e97ca8e2632794c8977b0
Manifest70418a2f31859e3c84268ff00aa069c7127473ca19ad9219208b4b805002aea6

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
SignatureFyQWnDqzCsKaLY5lTBfy2b+UykhtrgI77HIKZlpjGoMBKcy+J5xGoZRUlTzRAb73KCTVtCNvaiYwz4U7DFS8Aw==
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

2026-09-17T11:12:01.814746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043749
observed bb42b5ac72bf56d9c213ed2d474a5337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.795611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043749/manifest.json
observed 70418a2f31859e3c84268ff00aa069c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.776586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043749/publication.md
observed dcf69f96d4e2dc37364751d133763195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:01.758445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043749/publication.txt
observed 88b9b05ad38c6b08ca5eded05525e696...
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.