OpenTechnical

OT-2026-000039744

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000039744) never changes.

Identity and time

Publication numberOT-2026-000039744 · never reused
Internal UUID01a0ae78-d8d5-7c98-9711-30bd3924f5bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039744
StatusPUBLIC

Content hashes

Canonical text9e06f01f627515c6f68835c3a2e88fa761c5bc6ccaafef002634b181f35f2f3f
Markdown5418f48567bcfa62f74e00b771a8d272f27c31fcde2b9b6f97114f7ffe231322
PDF
Publication pagea0a95892d4e57f0b900d838f8c91b13294e7bb140e546fc80bf4944431d2ca9a
Manifest6a4b5664ef1f9218ab8f9db1ca50d66322af84bf8f15f67549d9aaf853f0319f

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
SignatureM4ifuuOGSauMxc3BJY4yUOfyuNlnwgYzgVSKXblQ03c/8hJxvs/bDfRbH/Ti/T3ifBk5UqjPskW1wyG5mF06CQ==
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

2026-09-17T11:19:57.437239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039744
observed a0a95892d4e57f0b900d838f8c91b132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.418954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039744/manifest.json
observed 6a4b5664ef1f9218ab8f9db1ca50d663...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.402612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039744/publication.md
observed 5418f48567bcfa62f74e00b771a8d272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:57.386017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039744/publication.txt
observed 9e06f01f627515c6f68835c3a2e88fa7...
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.