OpenTechnical

OT-2026-000103879

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000103879) never changes.

Identity and time

Publication numberOT-2026-000103879 · never reused
Internal UUID01a0aea5-15e7-7a35-9022-67f7ee2b437a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103879
StatusPUBLIC

Content hashes

Canonical text754ce660addfbc9936c6fec004b3987952d573d5ac161a9a54ea0800da25f90f
Markdowndbf67c8e026a1e91b00a481baa8c7d003f49c1083c28a1195dd295f041caebcb
PDF
Publication pagee9482009cd0e95e117005d36bf39b7970dc66b08483e7cbd394f7ce8e6e545e0
Manifestb9bfca638e653efc61450237afb453606590969fc90fbc346f39740e7ca635f9

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
Signaturedpbs17JAM9KVOaDRGmvtz8YegLYwgONjvsp2kee3rzdkHrENrv/vyc8tJ2i9qdMoS4m8WgY9Eg3QnzLImrZ5AA==
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

2026-09-17T09:21:51.909581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103879
observed e9482009cd0e95e117005d36bf39b797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.891287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103879/manifest.json
observed b9bfca638e653efc61450237afb45360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.873761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103879/publication.md
observed dbf67c8e026a1e91b00a481baa8c7d00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:51.855453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103879/publication.txt
observed 754ce660addfbc9936c6fec004b39879...
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.