OpenTechnical

OT-2026-000049813

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000049813) never changes.

Identity and time

Publication numberOT-2026-000049813 · never reused
Internal UUID01a0ae81-8ff0-7e56-bfa0-441c6ad9ab65 · 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-2026-000049813
StatusPUBLIC

Content hashes

Canonical text0a9f6a88fc69eed665b045640069cbd9f04502a95bb0dcf7638d5a9a94710891
Markdownba33dfac3708008ba642ebfb6b368ebc2f76f2dc79cfb7317f3feb056ecd0c89
PDF
Publication page7669cbf7ab85fde7fe6b045801f4ffc1d5f137ca06912fed1642a5642073be5a
Manifestd94caf2005d1468e932fa2c6629f7e7d02cc8a3e2bac3890e6c2a8cb1918f728

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
SignaturexiHEKzodtG/uFvK33lsU/1WKl+knUVUfaaDgwWmbHP5rDegi2UKzYpr/bjKRztoYkbZ5qTS1/ZHzELSJb4/WBA==
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

2026-09-17T11:02:56.523292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049813
observed 7669cbf7ab85fde7fe6b045801f4ffc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:56.505001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049813/manifest.json
observed d94caf2005d1468e932fa2c6629f7e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:56.485155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049813/publication.md
observed ba33dfac3708008ba642ebfb6b368ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:56.464229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049813/publication.txt
observed 0a9f6a88fc69eed665b045640069cbd9...
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.