OpenTechnical

OT-2026-000018486

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000018486) never changes.

Identity and time

Publication numberOT-2026-000018486 · never reused
Internal UUID01a0ae6e-b48a-7cf6-b70a-aa35d78eb9ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018486
StatusPUBLIC

Content hashes

Canonical text4878e6f2337ad9d22441edd96f5d517d801d65252d1bdf753f46fad65f8dde03
Markdown2511fbd11d5a89507fc8e5e5b7047ce27761af02d77775521b9f82ee44d0ff7b
PDF
Publication page1b89ae6a5dd9d724083bc2c75063f8ceeeac903cc3bbe000441cfbd8d5b39bfe
Manifest3e25da21a2ad6470a05d1ff882b38334264224fe0497ab977ff63c058b948493

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
SignatureM+vQcJgcg51nLUYLFba0eVLD0TJC4TxRPjG4+kpsJKc0nNcKJA9xgAJTjDLxYvKCnKizibh3jUQtDudHowUjCw==
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

2026-09-17T12:01:15.493695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018486
observed 1b89ae6a5dd9d724083bc2c75063f8ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.476319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018486/manifest.json
observed 3e25da21a2ad6470a05d1ff882b38334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.459734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018486/publication.md
observed 2511fbd11d5a89507fc8e5e5b7047ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:15.442785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018486/publication.txt
observed 4878e6f2337ad9d22441edd96f5d517d...
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.