OpenTechnical

OT-2026-000015657

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line 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-2026-000015657) never changes.

Identity and time

Publication numberOT-2026-000015657 · never reused
Internal UUID01a0ae6e-0c4b-7c7e-a97a-a2c08dcb6c01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015657
StatusPUBLIC

Content hashes

Canonical text2e2a36209be6d3ea9161453e62707d2e9f74b77a117cc993d575797327684a9b
Markdown21055842f52aedca12203fa5d435f1b7c684e2b845c01cba7f22b8d3277eda9c
PDF
Publication page74a30e08e9eedb30b64b6322d09187c216d38efc5dbfe6a6715188f2bd3e5eef
Manifest37041032a749fb6c9e1bfec12a7bf53699eb505351ec032137b6ad0c4c01bc29

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
SignaturerR5WF8A8GP9rD3arUV8kZWmi9q/xgss76HottmZlSGbt9KrQhJA9s6j67O8Zwp1COxGDI8np5D8v0qnuXj2IAg==
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

2026-09-17T12:04:55.108471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015657
observed 74a30e08e9eedb30b64b6322d09187c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.091206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015657/manifest.json
observed 37041032a749fb6c9e1bfec12a7bf536...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.072207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015657/publication.md
observed 21055842f52aedca12203fa5d435f1b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.053554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015657/publication.txt
observed 2e2a36209be6d3ea9161453e62707d2e...
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.