OpenTechnical

OT-2026-000017189

Publication integrity record

Single cup vacuum gripper, 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-2026-000017189) never changes.

Identity and time

Publication numberOT-2026-000017189 · never reused
Internal UUID01a0ae6e-76c7-7554-864d-5c67bdc5fdbe · 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-2026-000017189
StatusPUBLIC

Content hashes

Canonical text1c9acd64295be4f501eb036029f80ea82b89f3731e6585363f5c956bc6d69d6d
Markdown0118f1190edb5d9937d5b59f35fc030ec3b3771b34dc2593ad200b1dec179e7d
PDF
Publication page8a958a01eb2b55dff20024ea23998836b29455f5a9f57df9bb29e4ab2c2dfcad
Manifestf8c75abd0dac80938bce795e87f3bf49826c934d3fabccf5743abc36f2727def

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
SignatureTK2KtOnLNfUYp29bKoGR7dFAo9lXYByrTpowCX1MmCmaHZQW3KKIhFkrrujHquLWhXimuYogmZDY1PpBVZrwBA==
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

2026-09-17T12:02:15.615131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017189
observed 8a958a01eb2b55dff20024ea23998836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.597478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017189/manifest.json
observed f8c75abd0dac80938bce795e87f3bf49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.580671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017189/publication.md
observed 0118f1190edb5d9937d5b59f35fc030e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:15.563452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017189/publication.txt
observed 1c9acd64295be4f501eb036029f80ea8...
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.