OpenTechnical

OT-2026-000056459

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000056459) never changes.

Identity and time

Publication numberOT-2026-000056459 · never reused
Internal UUID01a0ae87-4bd3-7043-a70e-5ea22d7cc38b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056459
StatusPUBLIC

Content hashes

Canonical text00e45aabc3235179470673b19e26e9454733419fd0b2d27be74fed471bcef876
Markdown1685647f8cea978f0ec8769c0ead459dd0c2a8d5d60a049d20940a3f703cc70f
PDF
Publication page201fd0c6e00cdde2439ea4656997d3d052c94d51889217da8e7008674166de1a
Manifest70a24376646e98460774bf7939ee1431ac69876aa91cac26e97768b6cea7eb88

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
Signaturegwg3tlpoI67D5KCL9DZP+JYI6ZB6kNi/HqzfeYQkv6okewvX4VCqHpo/lSQmuzjUTNNy2xHtujspLkrKa5XPBg==
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

2026-09-17T10:50:59.867021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056459
observed 201fd0c6e00cdde2439ea4656997d3d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.847410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056459/manifest.json
observed 70a24376646e98460774bf7939ee1431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.830164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056459/publication.md
observed 1685647f8cea978f0ec8769c0ead459d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:59.813169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056459/publication.txt
observed 00e45aabc3235179470673b19e26e945...
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.