OpenTechnical

OT-2026-000039878

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039878) never changes.

Identity and time

Publication numberOT-2026-000039878 · never reused
Internal UUID01a0ae78-d8d6-7277-933b-903c6e90c995 · 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-2026-000039878
StatusPUBLIC

Content hashes

Canonical text82a1d3a89a0bd40c8868de031d968f262b75e6b912527b5fa406b54e561e8f1c
Markdown390726c0bf3c334aadabb3632c75d7da6b28de365b75b4d0a328348e14730a4e
PDF
Publication pagecf4c6397f24f97d16f7dec7b5cd27b3888ba48b7808d72f93c0076a26cedcba7
Manifeste896af2829f7aab4fd187262d723767944b43f96b58056aaa1cd2fa0ebbf0f89

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
SignaturesWN5MUlMuC0K2bWPUwHEwZeakuoIPsBEmK38Mi4OJYvZDuBheBkIvQD7xpeU8sM7KF7tQpNqPzJUvsatPAiEDg==
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

2026-09-17T11:20:09.669430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039878
observed cf4c6397f24f97d16f7dec7b5cd27b38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.651357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039878/manifest.json
observed e896af2829f7aab4fd187262d7237679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.635173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039878/publication.md
observed 390726c0bf3c334aadabb3632c75d7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.617566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039878/publication.txt
observed 82a1d3a89a0bd40c8868de031d968f26...
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.