OpenTechnical

OT-2026-000028098

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000028098) never changes.

Identity and time

Publication numberOT-2026-000028098 · never reused
Internal UUID01a0ae72-a520-7bf4-96a8-d8b2ef9daf3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028098
StatusPUBLIC

Content hashes

Canonical text29641ec827b7330eb369dccc839f80441263486a0fe65df921e62d93386365a4
Markdown15680ccfd3233edbe4079449e026fc718ad9577f1e449fd708d615e8f30bd684
PDF
Publication pagec2d0bc5453753067915ff460c8f4bbb0067163200328b0c2b36beb4c3eea29e2
Manifest99c1d5edb09f49cb4d655349e62f8313b8e24cc749b63cdbec2e870f8fb9a456

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
SignaturekA+bFSAQrtax8QELxE4PSaQcErcis9aX5/XRuT42SzYMDEiekzSG+b2jQgcXHaL9arIgPW3RaExyST5PMjVvAA==
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

2026-09-17T11:42:25.974071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028098
observed c2d0bc5453753067915ff460c8f4bbb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.957324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028098/manifest.json
observed 99c1d5edb09f49cb4d655349e62f8313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.932218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028098/publication.md
observed 15680ccfd3233edbe4079449e026fc71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.908490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028098/publication.txt
observed 29641ec827b7330eb369dccc839f8044...
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.