OpenTechnical

OT-2026-000073755

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000073755) never changes.

Identity and time

Publication numberOT-2026-000073755 · never reused
Internal UUID01a0ae93-2b8d-75ed-95f7-2eacb5a55957 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073755
StatusPUBLIC

Content hashes

Canonical text15f9218646730325cb9db5c1a698395807be373c29d689feb071037730405957
Markdown93599f742e9e998e6aed45ec98ad3c424288dbef4f71f30e2800d5546df1cc61
PDF
Publication pageec43b4f0a45781bfaec56d929af5513834f6bffce2f55f03dac96ed06bc69800
Manifestd048a70261d1f399fbf86fdae5819bd9ac987b77e70bb3268e9f7d81175e4860

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
SignaturegfLKBK/x1w+GEkL37TC2hRDrLMWcnz+uScCPQ3ta5eIWdWeS64gvVFZwK65jjhMI5nbEfwpDUv+TWiKnYL6lCg==
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

2026-09-17T10:19:50.780994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073755
observed ec43b4f0a45781bfaec56d929af55138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.760661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073755/manifest.json
observed d048a70261d1f399fbf86fdae5819bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.740751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073755/publication.md
observed 93599f742e9e998e6aed45ec98ad3c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:50.719439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073755/publication.txt
observed 15f9218646730325cb9db5c1a6983958...
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.