OpenTechnical

OT-2026-000014023

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000014023) never changes.

Identity and time

Publication numberOT-2026-000014023 · never reused
Internal UUID01a0ae6d-8deb-7410-b7b4-39a5e16e61eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014023
StatusPUBLIC

Content hashes

Canonical text30c2697370dee269b2204ee612c6c78c982a02777de25d295ae5ca9409675789
Markdown78c2a5d15ffcb19018b57d22a62de111e695737bd47ee0700b82134179d547f2
PDF
Publication pagee2bee4e77cb39bd6aeb7ea97e0910b271fee1585fbfdb58b225288c606ab7812
Manifest15785cfb7d4f6769ee371ffc767d6f1ab3edbbaeeea60d6da58a2249a90e8605

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
Signature2XcPjePHyjYqVKSqFnhIxVhmY8CrJfN4x5EsVrlmS9zKivfAqt064bslypfomGD/kioOPPEa4nYKt1+oCl9LAA==
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

2026-09-17T12:09:15.060157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014023
observed e2bee4e77cb39bd6aeb7ea97e0910b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.040071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014023/manifest.json
observed 15785cfb7d4f6769ee371ffc767d6f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:15.020384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014023/publication.md
observed 78c2a5d15ffcb19018b57d22a62de111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:14.998726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014023/publication.txt
observed 30c2697370dee269b2204ee612c6c78c...
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.