OpenTechnical

OT-2026-000048377

Publication integrity record

Two cup vacuum gripper, two 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-2026-000048377) never changes.

Identity and time

Publication numberOT-2026-000048377 · never reused
Internal UUID01a0ae80-4de4-7d29-a0cc-7e44280684f9 · 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-2026-000048377
StatusPUBLIC

Content hashes

Canonical text7780eb10437fc57d33620a1fb9a04f1b68b1e2b5622140a702e683a54fdb8750
Markdowncfa1c77ada73b4842c4aee7169e035e3acf7fd09b6d5b5c5749dcea46b645614
PDF
Publication page568269373a28d1dcb9750c393fcf832fb3afbe8d80e8e1dc92c7b830460df30d
Manifestd7070ac1a230c4665108fdd1cfd3e265321a3ef5ff7158928a0d06e6eb3fb9b2

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
SignatureJKjLueRy1e2T6sghs6z/ti92RtiHrZY1qriG7UMvq7BsLaXgZY2JQmmPmG6VeBhncHGEj5fvWvdR0FcGx4LTBA==
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

2026-09-17T11:05:00.250745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048377
observed 568269373a28d1dcb9750c393fcf832f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.229928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048377/manifest.json
observed d7070ac1a230c4665108fdd1cfd3e265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.209603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048377/publication.md
observed cfa1c77ada73b4842c4aee7169e035e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.190690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048377/publication.txt
observed 7780eb10437fc57d33620a1fb9a04f1b...
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.