OpenTechnical

OT-2026-000052203

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000052203) never changes.

Identity and time

Publication numberOT-2026-000052203 · never reused
Internal UUID01a0ae83-e790-7b2a-b9fb-d8857ba69099 · 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-2026-000052203
StatusPUBLIC

Content hashes

Canonical text522b9d69a76a7186f119cc25bd23dc2e404f71c9a338257460941f06de3f6374
Markdown30dd578e14e87e35e84d02a85aa811131c7c056799209d4cb0e5f4358f46552b
PDF
Publication page313dc04c5cea2b7dfea9a2d7a0974f6990bcebbc7c1787146b8539210d71b4b7
Manifest709a5e4adb1b1a0dbe869369c92670af0c88fc7cecb32ac808e209ef93104250

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
Signature+JRrdPJ9n8JISc3DIz1hozp912wdncEE7zWQQU+7FNjeJKFHm/F0teuNjh3vbMVKM8wvwpKxwrPj7cGlzJtDBw==
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

2026-09-17T10:57:46.245835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052203
observed 313dc04c5cea2b7dfea9a2d7a0974f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.226927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052203/manifest.json
observed 709a5e4adb1b1a0dbe869369c92670af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.207870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052203/publication.md
observed 30dd578e14e87e35e84d02a85aa81113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:46.188888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052203/publication.txt
observed 522b9d69a76a7186f119cc25bd23dc2e...
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.