OpenTechnical

OT-2026-000017169

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000017169) never changes.

Identity and time

Publication numberOT-2026-000017169 · never reused
Internal UUID01a0ae6e-76c7-772e-b7c2-a383027da5e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017169
StatusPUBLIC

Content hashes

Canonical texte3a95eca263f715ab36cfbb2ee6a1189c517cac492bb786be2c01379a4daa045
Markdown2be94f4f1c21fd10e275927bf9363102439ce37216156a69e6820240397160a4
PDF
Publication page8db6498275ca3cce52f1c908bda9fbbc43f5bdd1b80f4e45fe793e658e15634a
Manifested91bac1e2a55afa53ee56a6a1ee12aa8bb195651886b2c05fef602c18f28ad6

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
Signature3ZoK+Imm+D/QrYMXGDodjDtPjRpp4ijOcX++iOSy35N1nWUuz8MMjLrBSXiJfVtAZuP9PsQOXR9Gdv7UJ3fUAA==
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

2026-09-17T12:02:14.147780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017169
observed 8db6498275ca3cce52f1c908bda9fbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.130318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017169/manifest.json
observed ed91bac1e2a55afa53ee56a6a1ee12aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.111687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017169/publication.md
observed 2be94f4f1c21fd10e275927bf9363102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:14.094020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017169/publication.txt
observed e3a95eca263f715ab36cfbb2ee6a1189...
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.