OpenTechnical

OT-2026-000057487

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000057487) never changes.

Identity and time

Publication numberOT-2026-000057487 · never reused
Internal UUID01a0ae88-2692-7a8b-a01d-b15e060decae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057487
StatusPUBLIC

Content hashes

Canonical textfc530d3181afb928fa37c6c4b9a8525e2b913d700feac7b6db68713b9d0bde16
Markdowna7db21c9fdca9d1084ad1cb203beca4ad9bd18abb2ff1ea5e9609f46506cd4a3
PDF
Publication page599db19d7dbfb4bcb62abaa82cdf55938aabb3f9240f309e65c653249aee8e4f
Manifest2fb1e8a1b49989350cc3cfa1447787a3f445776d28a8c735941c5c7fbc1d12c9

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
SignaturevJFmOBbEMyFdrCoLap2uRBVPfqTQZik1WXKVyRCHeeSJpu4vXAiGJmFiV0I0lKMmx80XYK6J/cN7ZavLExpRBw==
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...

Independent retrieval

2026-09-17T10:48:00.616451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057487
observed 599db19d7dbfb4bcb62abaa82cdf5593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.597914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057487/manifest.json
observed 2fb1e8a1b49989350cc3cfa1447787a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.580835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057487/publication.md
observed a7db21c9fdca9d1084ad1cb203beca4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.563754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057487/publication.txt
observed fc530d3181afb928fa37c6c4b9a8525e...
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.