OpenTechnical

OT-2026-000048497

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048497) never changes.

Identity and time

Publication numberOT-2026-000048497 · never reused
Internal UUID01a0ae80-4de5-7fd7-bde9-40083a44c989 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048497
StatusPUBLIC

Content hashes

Canonical textf08bdd41d2bbbb2878c5ddf5fdba88fa695d0d1be8724f4650d6cf927334c1b8
Markdownb37e248b6cad58771ef84839eb7f90c09f81b5568ca48dab12b158047ff59e59
PDF
Publication page7e0d1b3747d51629059d841e03c25f06862a0fc1b9c52e15e3622d4f7439727a
Manifest2047adba008a7a39794dddb244c2a49b3c014b7d66c1656707336e0cfef1a011

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
Signaturekkx26QuN/l049TCt8necXrx4dP6e0B7KXnJInY0+fdFy7RlrBJ0YDFGXOYEBGx3CCpEjbWA7DsNbZoPjzY60DQ==
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

2026-09-17T11:05:10.163807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048497
observed 7e0d1b3747d51629059d841e03c25f06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.144916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048497/manifest.json
observed 2047adba008a7a39794dddb244c2a49b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.126780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048497/publication.md
observed b37e248b6cad58771ef84839eb7f90c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:10.107979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048497/publication.txt
observed f08bdd41d2bbbb2878c5ddf5fdba88fa...
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.