OpenTechnical

OT-2026-000062957

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-2026-000062957) never changes.

Identity and time

Publication numberOT-2026-000062957 · never reused
Internal UUID01a0ae8c-94a8-73aa-9170-a95818a07011 · 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-2026-000062957
StatusPUBLIC

Content hashes

Canonical text55170d3f78c8b989edf7109cc48bd82ccaad22b64e66a2daae8919b9cae341c1
Markdownea55ffb1547d2906165c12f713e337ec825c2ea72819aca682fd0febc52f3638
PDF
Publication pagebe1632abaa69e9a5e6555fb522403ff3c8652270953ae8aad617c547f84dff07
Manifestbcf5bdf65e71ab9481ead67f8c8c7395dc02dfe07121def2ad78b698b9da83fa

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
SignaturewDCL9VVDWXgFZUitrwfpNsWopUjMUHcwbHx8o6w4TH5zz011iMrJmjZnOFGNtSq33xnNWBefXMQnViOolIZoBw==
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

2026-09-17T10:40:27.894120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062957
observed be1632abaa69e9a5e6555fb522403ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:27.875659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062957/manifest.json
observed bcf5bdf65e71ab9481ead67f8c8c7395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:27.857890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062957/publication.md
observed ea55ffb1547d2906165c12f713e337ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:27.838457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062957/publication.txt
observed 55170d3f78c8b989edf7109cc48bd82c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:41.149384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062957
observed be1632abaa69e9a5e6555fb522403ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:41.133155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062957/manifest.json
observed bcf5bdf65e71ab9481ead67f8c8c7395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:41.115545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062957/publication.md
observed ea55ffb1547d2906165c12f713e337ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:41.097484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062957/publication.txt
observed 55170d3f78c8b989edf7109cc48bd82c...
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.