OpenTechnical

OT-2026-000080118

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000080118) never changes.

Identity and time

Publication numberOT-2026-000080118 · never reused
Internal UUID01a0ae96-4378-7b58-baf3-384f87152779 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080118
StatusPUBLIC

Content hashes

Canonical text93ee1181bfc453cdf061f7eb9c67381297e6c71d74a94f1acbc27cfbc0ef633a
Markdownefd751e3fee8f6f91568b92a1e3799cd6326b0530fe857f742df3082bf95c3a9
PDF
Publication pagea2957cd29942e7a7505121505c8c50e0a458f0bb1cb4b9ca3de6e5466224b0f5
Manifest16b87f565a57c4eff541d613b4c072e130e150431f18874fbe0950b9bdcaa01e

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
SignatureIH0lfhuLijTluglgQ0gQuxIqAJFATlDXZ1hvXguKdk+lFyBAuYvF2m7i7tCIW+rIOIQ6zb+QKnk8CGJ4sDnbDg==
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

2026-09-18T04:43:28.826000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080118
observed a2957cd29942e7a7505121505c8c50e0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T04:43:28.245863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080118/manifest.json
observed 16b87f565a57c4eff541d613b4c072e1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T04:43:27.935928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080118/publication.md
observed efd751e3fee8f6f91568b92a1e3799cd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T04:43:27.515804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080118/publication.txt
observed 93ee1181bfc453cdf061f7eb9c673812...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.790702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080118
observed a2957cd29942e7a7505121505c8c50e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.770369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080118/manifest.json
observed 16b87f565a57c4eff541d613b4c072e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.752042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080118/publication.md
observed efd751e3fee8f6f91568b92a1e3799cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:03.732940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080118/publication.txt
observed 93ee1181bfc453cdf061f7eb9c673812...
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.