OpenTechnical

OT-2026-000045623

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum 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-2026-000045623) never changes.

Identity and time

Publication numberOT-2026-000045623 · never reused
Internal UUID01a0ae7d-8f03-7806-bd77-b833a16a67ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045623
StatusPUBLIC

Content hashes

Canonical text8577d42c01fe410bb57d71eebe3644adaa0f305c8466a857bac94a5c0b634512
Markdown3916bf2a6a042328b65529e2c2de6ae4b772771790f62ac0df1609dd42be538b
PDF
Publication paged1a6b8c424b797b21c93055e4b0cec9b2d22a0e6e05d6187ba58e6c55f425e20
Manifest2c5da8aadf590ecbd4849b7d4d12692f2097403175f075c5ba57588932843984

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
SignaturezAKsvMNUKyVOqZdd44bK77KiCq+QnFypNivEY3HIZflZoHlaCHhgTEFJhH1kos1eXBA5JkvuAow1DLLpX2GWAg==
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

2026-09-17T11:09:24.235609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045623
observed d1a6b8c424b797b21c93055e4b0cec9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:24.216957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045623/manifest.json
observed 2c5da8aadf590ecbd4849b7d4d12692f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:24.199974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045623/publication.md
observed 3916bf2a6a042328b65529e2c2de6ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:24.181711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045623/publication.txt
observed 8577d42c01fe410bb57d71eebe3644ad...
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.