OpenTechnical

OT-2026-000047994

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000047994) never changes.

Identity and time

Publication numberOT-2026-000047994 · never reused
Internal UUID01a0ae7f-c422-7a1f-adea-d0c44560a1b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047994
StatusPUBLIC

Content hashes

Canonical text714f51043c4ea29894ad3b2a298460cfee6903d31e8ea21555fe57046464e403
Markdown806bb498eeeb2e4840ee7d9d63d34330c3cbbbb2a95e10d07595a4e020bbdeb7
PDF
Publication pagebb9b00665355e8a97ec95e680aab1b619ce8981d1759954b24a74d1014b5039a
Manifest0bd9912e91a1a242d59f09ffaa1a52c7532fefb81467e37943ce70f27229b8ac

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
Signaturek5tuuXqkktfFB3thEeUf2K7PAF73QZhBy+lgwDdlTJBctA+WoanNov3d9f/++gXnOMlUwmthoQtFZmIQUNLzBQ==
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

2026-09-17T11:05:58.745588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047994
observed bb9b00665355e8a97ec95e680aab1b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.728840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047994/manifest.json
observed 0bd9912e91a1a242d59f09ffaa1a52c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.709851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047994/publication.md
observed 806bb498eeeb2e4840ee7d9d63d34330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.692615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047994/publication.txt
observed 714f51043c4ea29894ad3b2a298460cf...
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.