OpenTechnical

OT-2026-000052123

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000052123) never changes.

Identity and time

Publication numberOT-2026-000052123 · never reused
Internal UUID01a0ae83-e78f-74cd-aee7-57bcd62708b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052123
StatusPUBLIC

Content hashes

Canonical textdc32c172380dbcec7bb195c8b501392f0600f0a0287066ed28df473d0ebb0f2a
Markdown7d71b014078751ad0f07846b590c9e85911d5f0c912288702d185db315e5a689
PDF
Publication pagef40d9fcd05e9af64f4c7b7d2f0f6c585cb21dad8d0d32061cc6a7aca5a71f153
Manifesta3a7215082ee8d651b53bc05519e8bd92c55a229e9ebbf5763075f498e90aa7f

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
SignatureTA6crnvFuhYPIvPXGeSIkvoE9J+k+IxIF2YgERuvRkfp9Wy08KiePBHYWs0/nPtknj62lMFqAT9lVIGKQg9/DQ==
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

2026-09-17T10:57:40.195747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052123
observed f40d9fcd05e9af64f4c7b7d2f0f6c585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:40.179670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052123/manifest.json
observed a3a7215082ee8d651b53bc05519e8bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:40.162139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052123/publication.md
observed 7d71b014078751ad0f07846b590c9e85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:40.145300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052123/publication.txt
observed dc32c172380dbcec7bb195c8b501392f...
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.