OpenTechnical

OT-2026-000048134

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000048134) never changes.

Identity and time

Publication numberOT-2026-000048134 · never reused
Internal UUID01a0ae7f-c424-7505-97fc-77e178073de7 · 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-2026-000048134
StatusPUBLIC

Content hashes

Canonical text1ffc33d420c52b7ea5d213136d5223d879974e62981152f70ad50a25935a6e64
Markdown808a60d929570dba4a4965cdce8fb57cdf8d6f72b74c8ad8f8ce5d4d61d71798
PDF
Publication page875a93ad22fec63d0a4fb6b9dded23a0d5e9049ff1d2df7aadeebde4bd5f5b8f
Manifestedc76b1515a5a2e747e61c55e93e6c9e52b5b8c0fbec47a61dbb4544062a2b9f

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
SignatureuyKavZa/R3p7uyzqJc+YOX8/CwaxhqbX+qH8Az0g1VQ/joMdM43XCg3dGocDPj2UmjhXKcaQZHQp8nohmx0eBA==
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

2026-09-17T11:06:10.479405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048134
observed 875a93ad22fec63d0a4fb6b9dded23a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.461132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048134/manifest.json
observed edc76b1515a5a2e747e61c55e93e6c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.443745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048134/publication.md
observed 808a60d929570dba4a4965cdce8fb57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:10.427029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048134/publication.txt
observed 1ffc33d420c52b7ea5d213136d5223d8...
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.