OpenTechnical

OT-2026-000018347

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018347) never changes.

Identity and time

Publication numberOT-2026-000018347 · never reused
Internal UUID01a0ae6e-b489-7bf2-968f-97d2642cff13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018347
StatusPUBLIC

Content hashes

Canonical text21d4104897b8058355eec1b1bb1b0a9403678bede2a03ae38b40f06fda6ba5cf
Markdowna2244b2c9f595993026da2ccaa6e371b864b7d2642bda2d1597d2fa2e1a49637
PDF
Publication page727d60ee327d17147186392211455b0d1bd48c048d5c9f9588ebd1177000227b
Manifest6741895308dba010d4e68ce41acd9cc4146444b73c11924a4d1510fb1967bb80

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
SignaturekM9yB7vZp1nzD8PSaIsGK82kId3Cqle9BR2EDYaOXYs6e//uYT8OTIeAjYGjqPDMjfG97cslzJTdwZeJhYfjDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:49.351105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018347
observed 727d60ee327d17147186392211455b0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.331855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018347/manifest.json
observed 6741895308dba010d4e68ce41acd9cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.298396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018347/publication.md
observed a2244b2c9f595993026da2ccaa6e371b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:49.264025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018347/publication.txt
observed 21d4104897b8058355eec1b1bb1b0a94...
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.