OpenTechnical

OT-2026-000095581

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000095581) never changes.

Identity and time

Publication numberOT-2026-000095581 · never reused
Internal UUID01a0ae9f-8f75-74b9-902f-36640b8f6956 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095581
StatusPUBLIC

Content hashes

Canonical text4a859a3ed00da51cf00972b667afd6621da34093f0d9cddc77556412b7485351
Markdownad9778328c1e2db22e6c594964adb17e97305d331288ff1622fe42fbf42d145d
PDF
Publication pagefdf8908744f000988334a1f3280db8d77234addeae09a8a495c5deae92d967f8
Manifesta0860be2d3e2b601e0666aaa3c1a18971e508d483a94b1602669198db5541d16

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
SignatureZGTXHu0b3koYoWESVhAbqnfIEJqaN8+6pfuiKLOav+WmXQenBSxiADjW5M9NlaP7VO8o+6/R53VRZmrFHog+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:00.022470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095581
observed fdf8908744f000988334a1f3280db8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.005820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095581/manifest.json
observed a0860be2d3e2b601e0666aaa3c1a1897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.987443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095581/publication.md
observed ad9778328c1e2db22e6c594964adb17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.968616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095581/publication.txt
observed 4a859a3ed00da51cf00972b667afd662...
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.