OpenTechnical

OT-2026-000073171

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000073171) never changes.

Identity and time

Publication numberOT-2026-000073171 · never reused
Internal UUID01a0ae92-efb6-79f7-8aad-27d5a8fd7b09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073171
StatusPUBLIC

Content hashes

Canonical text10eca46102c67d154b0218aaee51efe92a2b98a813c672f15d7b4b1d944b95ef
Markdown7df8d7b83f6c09a993fce4588d1d895b2693fbfc0baf41d85fca62414259810b
PDF
Publication pagee49d5010d0ecf73a4d4ace54ba8b4b33eb0af0802b6ac15f21582cc2c66484e6
Manifest36bf05cee117cf21fe0cb843152a4845153eb16f5ca80c9ee240c8906b41c868

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
SignatureZz+BiIed2qCVOkx/Ep0htux9mRwRuyUAGh4y9+68kRZ0gMLYfjSL31Ki0LWdCAc3QCPLLFwpdvVHBQUb2FeGCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:07.360022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073171
observed e49d5010d0ecf73a4d4ace54ba8b4b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.340478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073171/manifest.json
observed 36bf05cee117cf21fe0cb843152a4845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.320123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073171/publication.md
observed 7df8d7b83f6c09a993fce4588d1d895b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:07.302263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073171/publication.txt
observed 10eca46102c67d154b0218aaee51efe9...
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.