OpenTechnical

OT-2026-000015144

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000015144) never changes.

Identity and time

Publication numberOT-2026-000015144 · never reused
Internal UUID01a0ae6d-ef47-77ae-8e22-5f9164ae69b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015144
StatusPUBLIC

Content hashes

Canonical text7fa5f58d21f639fecc209103e77168df5510d5b86f332dc6f4d2611160340d32
Markdowna5c5ef0517da79601789e3b95e9a2a2ebb9673661c1a14533bf005d30a0ed66c
PDF
Publication page3b1fb1d3cf61e02b69298c4cc0a21ece68055d747e55f9e7a2dc9e768adc15b7
Manifestff1191a809ae666865bd4ce76a3e323c98b020157a15a7a17378f2bb433a7490

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
SignatureSRcW6dO0r+WryLp4WCpTybkIVDYaFpsq9mQSjd7eoHEYTSuG1ZRAEVQ0y93//YEeEUMQ3Uj0Pa7uR8JYUe7BBw==
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

2026-09-17T12:05:44.951597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015144
observed 3b1fb1d3cf61e02b69298c4cc0a21ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.933226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015144/manifest.json
observed ff1191a809ae666865bd4ce76a3e323c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.914871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015144/publication.md
observed a5c5ef0517da79601789e3b95e9a2a2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:44.894401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015144/publication.txt
observed 7fa5f58d21f639fecc209103e77168df...
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.