OpenTechnical

OT-2026-000066979

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000066979) never changes.

Identity and time

Publication numberOT-2026-000066979 · never reused
Internal UUID01a0ae8f-14fe-71cf-86b1-87de04087b0e · 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-2026-000066979
StatusPUBLIC

Content hashes

Canonical text0d9936c1c31b85785f4c78538010d1f7d2778bb76dccd77709c4727e11b05a4c
Markdown9b326cc90c8b268840fe2a0fe7c5231ed8e98f0c24dbf75406b51d63dccd87fc
PDF
Publication page4cf8306c2a5f669303f48110def446a6ca89ee2485fc2494c57eda219c71461e
Manifest487d5ea75d0116f6c0be769cad49d4564c4d53aa660fa736baff178915014172

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
Signatureh26HshgdBm0Zg/u0eYvfrgvhMVxFSICTg1Pa6I2V9YbL2mQ0a9vEKVqZnbJ7+vCdaX0VcH5HOoB0kksBUPrDBA==
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

2026-09-17T10:32:12.135549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066979
observed 4cf8306c2a5f669303f48110def446a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:12.116725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066979/manifest.json
observed 487d5ea75d0116f6c0be769cad49d456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:12.097510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066979/publication.md
observed 9b326cc90c8b268840fe2a0fe7c5231e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:12.078999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066979/publication.txt
observed 0d9936c1c31b85785f4c78538010d1f7...
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.