OpenTechnical

OT-2026-000051647

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000051647) never changes.

Identity and time

Publication numberOT-2026-000051647 · never reused
Internal UUID01a0ae83-7c82-7fac-80a1-7b87acbf86dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051647
StatusPUBLIC

Content hashes

Canonical text5a344306716a0bd2393613cb4a7d910256e1964d27851a8ddd5ef9e0544e6de0
Markdown06349bfdafa94335f729c8f40548b4899bb198a1f0009af314d062e5b99d0c46
PDF
Publication pageb2ed0f0f45388e422a32d1bb918c6f5b079501d7259e12378a3b9f6546b67c25
Manifest7e0a43824e55b167ea028791a020bc4b7862519cd1eea0c8b34a70e80dfdaf56

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
Signature6Y65MHgqppWxDz1FKLgpCkctuZQFmaA4S85qJAWKQk6jnExTjidCcVgroq/140vHh2K7QwDjfwUy+W+o+co5CQ==
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

2026-09-17T10:58:30.633968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051647
observed b2ed0f0f45388e422a32d1bb918c6f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.614908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051647/manifest.json
observed 7e0a43824e55b167ea028791a020bc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.597205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051647/publication.md
observed 06349bfdafa94335f729c8f40548b489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.579192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051647/publication.txt
observed 5a344306716a0bd2393613cb4a7d9102...
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.