OpenTechnical

OT-2026-000049754

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three 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-2026-000049754) never changes.

Identity and time

Publication numberOT-2026-000049754 · never reused
Internal UUID01a0ae81-8fef-79c7-9b62-aec90e11d672 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049754
StatusPUBLIC

Content hashes

Canonical textc88be8feb4f9c1773ca1ed2daae59ac1294e42e784364ddc0f3f5a8c61abadd6
Markdown4d9ec47203054eb3af1f3a923b758f0c411d6e6c7286e1d9271146ce0ac8f897
PDF
Publication pagecaa88ccb90ebe6853cfa2f9565031a2ef0b41d48416f4147e3b02e129fd889c2
Manifestfb2d2e8d5854b6160511f78b39b77199b30d731f05baf982884ce54178774e02

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
SignatureIH0ny6k31PbJGIQNWfCNRuEl7hQ70NvQTTxrzv71vKnFOsPrV3w9tBN6ZqGXp2qpIJ9Gh8xczvqIaSKsqgmSDQ==
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

2026-09-17T11:02:47.072942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049754
observed caa88ccb90ebe6853cfa2f9565031a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.056813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049754/manifest.json
observed fb2d2e8d5854b6160511f78b39b77199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.038945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049754/publication.md
observed 4d9ec47203054eb3af1f3a923b758f0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.018169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049754/publication.txt
observed c88be8feb4f9c1773ca1ed2daae59ac1...
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.