OpenTechnical

OT-2026-000035587

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000035587) never changes.

Identity and time

Publication numberOT-2026-000035587 · never reused
Internal UUID01a0ae76-b4c5-7f57-a0e2-63ef960dd7be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035587
StatusPUBLIC

Content hashes

Canonical text4cf35759b94c3929acd20c8f8844cfc4e65920d2e2ed7efc9e2b8aa94a7dbb90
Markdown1565a11d2eae10e7e654a9d375cdab1beb924e3025829ffb3304817d78fc8b5b
PDF
Publication paged2d6f90e0d2663dc8e5a46b8a54f4fc4b9357a52792b3d1e505de100de81ba10
Manifest2cabcba3aaec6f78bacc7c7592761ce8d646a253811d9423039bad5544d1a9e2

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
SignatureC4QN7hvxbb2qEkw3T85PJp9CfFg3Z7mJjtngrWXnwYoExAoot2rv0AuUBjVL1flimiLbhN28P4394kco0DzsCQ==
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

2026-09-17T11:27:06.983190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035587
observed d2d6f90e0d2663dc8e5a46b8a54f4fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:06.966545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035587/manifest.json
observed 2cabcba3aaec6f78bacc7c7592761ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:06.947447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035587/publication.md
observed 1565a11d2eae10e7e654a9d375cdab1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:06.928425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035587/publication.txt
observed 4cf35759b94c3929acd20c8f8844cfc4...
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.