OpenTechnical

OT-2026-000034313

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000034313) never changes.

Identity and time

Publication numberOT-2026-000034313 · never reused
Internal UUID01a0ae75-df0e-763d-a510-5c339f34dadb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034313
StatusPUBLIC

Content hashes

Canonical text6ffc9c7a151991ca17da93088f5f420b896f35aa8784adac7a9fc3a1763b942a
Markdown298b169966d0be342b731317ddf734bfc6927316a580e2f68d764c2315b07a03
PDF
Publication pagefda746d4885c1d0a5b1d4ba65be0a8f774adc13b42647e66d5a4cc52333d6e58
Manifestaab9c4f419bab86bb23ee9de6045e16b7bee5edad65f62b4086d9b0a85e5e687

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
SignatureFZrwLbgqYBP/Kjfk+pvTiblUUh7z9Slsx3U4+TqdZEEUSex0xkpY1Xz3JKhREcHNQMbkoMN8c80xD8vTmRLTDA==
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

2026-09-17T11:31:00.357939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034313
observed fda746d4885c1d0a5b1d4ba65be0a8f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.341313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034313/manifest.json
observed aab9c4f419bab86bb23ee9de6045e16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.324028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034313/publication.md
observed 298b169966d0be342b731317ddf734bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:00.308361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034313/publication.txt
observed 6ffc9c7a151991ca17da93088f5f420b...
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.