OpenTechnical

OT-2026-000038680

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line 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-2026-000038680) never changes.

Identity and time

Publication numberOT-2026-000038680 · never reused
Internal UUID01a0ae78-769e-7920-9adf-75326667a733 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038680
StatusPUBLIC

Content hashes

Canonical text6b5d6f4e41a56857666e922d5d960a415898a7004f3a117083b419ede3167f5b
Markdowne6bac9cc29b7c84380f9d805b3f4ae5321ec384fdc88af3bc08378a557bf4c8f
PDF
Publication pagee1ec79369fd91f36c5e2efcea0dff0d457953942f1312579f7363ca01bf7073d
Manifest322073943a2502d92a267cae8ca45fd1e298940658ccba3a699a1d4968eaff75

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
SignatureMV/EqVA/t1CdqFHDvCuqoiJhMJ1VjFc7rxyYnsQPFbLWJvmMiTkNPeMxvjDKzZXzjxQ87OWRIjRZJeMUVUKFDQ==
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

2026-09-17T11:21:11.446112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038680
observed e1ec79369fd91f36c5e2efcea0dff0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.423381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038680/manifest.json
observed 322073943a2502d92a267cae8ca45fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.403655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038680/publication.md
observed e6bac9cc29b7c84380f9d805b3f4ae53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:11.295176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038680/publication.txt
observed 6b5d6f4e41a56857666e922d5d960a41...
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.