OpenTechnical

OT-2026-000055241

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000055241) never changes.

Identity and time

Publication numberOT-2026-000055241 · never reused
Internal UUID01a0ae86-a0ff-7ed3-b8e7-c93400bb2bb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055241
StatusPUBLIC

Content hashes

Canonical texta35e2bd4a545daffde4eb68152d538eb7c996c99b50bb96926644a9c81a4445b
Markdowneadedb8826e64fe0de1ebed5a5b5df54dae3d3e2726cafdae3ebed0f3d78f72c
PDF
Publication pagecc5ec88858876245dbbb8f2b86e73c29b978c7c7a15d9c1abf7aed64c26231fe
Manifest0be85027e0f6c877a24972189dfbf7ee87f1a81a3fdd84f419fbeeb2b5894885

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
SignatureQ1vdxlsedLqDsOvFu3IMV3zr8/h69nZuhbjod7NpNOY8TxolTGWIWIMFX9huPLAHv9R3mYUDo8uV/QPV9R+fCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:49.507201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055241
observed cc5ec88858876245dbbb8f2b86e73c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.489412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055241/manifest.json
observed 0be85027e0f6c877a24972189dfbf7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.472705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055241/publication.md
observed eadedb8826e64fe0de1ebed5a5b5df54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:49.455135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055241/publication.txt
observed a35e2bd4a545daffde4eb68152d538eb...
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.