OpenTechnical

OT-2026-000067135

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000067135) never changes.

Identity and time

Publication numberOT-2026-000067135 · never reused
Internal UUID01a0ae8f-14ff-76e0-a146-d85e68622c5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067135
StatusPUBLIC

Content hashes

Canonical textc95a1cf93e49f26593299ef611922f7f20e0f852c9a4f4c37f7ff214ce9f8d1c
Markdown64f8643c088f8f3194e7798a1237016b1caa906ebdab7d9547fd1c0cd3c7d56b
PDF
Publication page3bfbd7a1dd13b32e01baa5af8f93dbe0eca63725bee341a984bf9323508ec599
Manifest1f39733bf1f34fde634f65b14a73e10363cb7c98160ec288e866ce63f4ad3706

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
SignatureMTuYB3q8cZikfMiX8J+WtHZ137FNKzsq1nwtlKhcNB1EW2eaOyUpFP5l60Lyak9iNh5T9DNPJlB9cngCXyvfAg==
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

2026-09-17T10:32:24.568572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067135
observed 3bfbd7a1dd13b32e01baa5af8f93dbe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.552075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067135/manifest.json
observed 1f39733bf1f34fde634f65b14a73e103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.535463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067135/publication.md
observed 64f8643c088f8f3194e7798a1237016b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:24.520104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067135/publication.txt
observed c95a1cf93e49f26593299ef611922f7f...
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.