OpenTechnical

OT-2026-000040748

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000040748) never changes.

Identity and time

Publication numberOT-2026-000040748 · never reused
Internal UUID01a0ae79-6d0f-7ba3-be75-6be5b5e6f7b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040748
StatusPUBLIC

Content hashes

Canonical textdc684a2067f2b05de9d41aa910e302be55d1f1dc432bccb8b4bd79e95c6bb7e7
Markdown32d5fa7a61dd188ca5227fae755949d772ce5b1b3919b4436d2293d773993528
PDF
Publication page9526ca88f9268427bb8de1a62997044b03d6626192a8ebf5dcc8ac4dfc5c4519
Manifestcd05d23d8648a5fa2c7388a0881def27b51d784c27460b2af885a6bad2cad9f1

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
Signaturemxx1Kw7JFqhzBigvZ0geU7Gbv89aMNoERuhs96RLUk0xkPgryXnD0UrRnU35jcszKxlon76LbCpYE2g84j5YAw==
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

2026-09-17T11:18:01.517491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040748
observed 9526ca88f9268427bb8de1a62997044b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:01.500109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040748/manifest.json
observed cd05d23d8648a5fa2c7388a0881def27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:01.481733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040748/publication.md
observed 32d5fa7a61dd188ca5227fae755949d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:01.464312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040748/publication.txt
observed dc684a2067f2b05de9d41aa910e302be...
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.