OpenTechnical

OT-2026-000025913

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000025913) never changes.

Identity and time

Publication numberOT-2026-000025913 · never reused
Internal UUID01a0ae71-a83f-7894-b34c-01768a58cd54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025913
StatusPUBLIC

Content hashes

Canonical textdfe86413ed57aa093d455311e88d0efff758829bddb3a522b5a90d948ff8bac7
Markdownbf7cfb2f2640f8c39d98fd5459a018c6ec3753505e932fd669bd16df59a3f88d
PDF
Publication page1d2e0cb0cd64685b86cdb82688eb183b24402c412f568574e9c7a6ace231e5d9
Manifest69edeb635240af9fd7f56cd9920549c23ef4bf0eda1580e9feb213a78a49d5f4

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
SignaturedBhsmZlMkIRl4Ut8behPzWNTcdOlKAnmy1keT4wRcpnla3NbSfWYBviBW6/vLcTIigsXHzxxH/Y85/6EBdOPCA==
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

2026-09-17T11:46:15.895205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025913
observed 1d2e0cb0cd64685b86cdb82688eb183b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.878903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025913/manifest.json
observed 69edeb635240af9fd7f56cd9920549c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.862574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025913/publication.md
observed bf7cfb2f2640f8c39d98fd5459a018c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:15.846112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025913/publication.txt
observed dfe86413ed57aa093d455311e88d0eff...
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.