OpenTechnical

OT-2026-000053128

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000053128) never changes.

Identity and time

Publication numberOT-2026-000053128 · never reused
Internal UUID01a0ae84-a431-7185-a131-8d1af4d160f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053128
StatusPUBLIC

Content hashes

Canonical texta73b2260a995d11f51cb832c445a05d37d62eed8d80a33ac649db8b7d18168c9
Markdown8a29eb2ef177b5476c35fe0a45c7d0950052c640f36e6665feea4fe70425364a
PDF
Publication page772b541380b9324fc42c9157cebcd8130f2a5f895f4abea172abd401f5f6938c
Manifest6b066b84a4b9e8716df6577018d409e3e74dab0f66ff48886bb5725a4e2096a3

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
SignatureQZO1kvfBqy4ZyhwZKTVrAGEC0cqjGaU4+T1x1jIdPlQPcui6vQWOAsMTaga7y3aaz08ljengwvXcBcZkvqRjBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:51.468589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053128
observed 772b541380b9324fc42c9157cebcd813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.450760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053128/manifest.json
observed 6b066b84a4b9e8716df6577018d409e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.434113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053128/publication.md
observed 8a29eb2ef177b5476c35fe0a45c7d095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.415224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053128/publication.txt
observed a73b2260a995d11f51cb832c445a05d3...
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.