OpenTechnical

OT-2026-000062969

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000062969) never changes.

Identity and time

Publication numberOT-2026-000062969 · never reused
Internal UUID01a0ae8c-94a8-7985-a595-674be4249c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062969
StatusPUBLIC

Content hashes

Canonical text36dcefe3459916d7b0016390c85b1b9efbd0082fbe3560f1274fba66b1f2d3d5
Markdownb856bccebdda8c4d969fe87d6f25f86edce8566b72351c3b55b81b454fe178cf
PDF
Publication page544ec9d585baa1796cb0fe37fdf3edb0f982c3d3b76f144f8a036f6ea8409111
Manifestd2bbda1ca0be8902455cd5ed28a0c1cc2fc2e7f430f9aa3041592c5b7190137f

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
SignaturesEoe9mevYr+kddTcLdM1K1gFyNg9wFEAbnZMv8WWgeI9zJwp47+Dtfl4OXdUUfkgfdiFvYMOb9L7MA1qpg+FCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:28.952645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062969
observed 544ec9d585baa1796cb0fe37fdf3edb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.931934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062969/manifest.json
observed d2bbda1ca0be8902455cd5ed28a0c1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.910565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062969/publication.md
observed b856bccebdda8c4d969fe87d6f25f86e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.890432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062969/publication.txt
observed 36dcefe3459916d7b0016390c85b1b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.033873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062969
observed 544ec9d585baa1796cb0fe37fdf3edb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:42.015913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062969/manifest.json
observed d2bbda1ca0be8902455cd5ed28a0c1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:41.998305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062969/publication.md
observed b856bccebdda8c4d969fe87d6f25f86e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:41.983028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062969/publication.txt
observed 36dcefe3459916d7b0016390c85b1b9e...
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.