OpenTechnical

OT-2026-000101931

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000101931) never changes.

Identity and time

Publication numberOT-2026-000101931 · never reused
Internal UUID01a0aea4-50f1-7b41-b695-1191c9f153c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101931
StatusPUBLIC

Content hashes

Canonical text540259bad231a87832f8a6aa8351724f93aa2b61c94a5bbbeadb5d94b768e708
Markdown436aa993697b27cd4915fadf612b138e4e435a398e9385907c0b61ec23378d44
PDF
Publication page2fee28e3789ddfe19bd0b35c84ef7f92b94ea3907286989f0d0865bddb02108d
Manifest822e55b042f60c08a1316b2ba5208e153c2f75884c85da68038799eed850d407

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
SignaturehkYMbSezjczXCD988b9fk3gETYh+xEym+EBcSRVG9nMOoqyxgTJobFc+bU4HwjJHCAlmLnnTYVkR7r6OLvF9Dw==
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

2026-09-17T09:25:02.620453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101931
observed 2fee28e3789ddfe19bd0b35c84ef7f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:02.601343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101931/manifest.json
observed 822e55b042f60c08a1316b2ba5208e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:02.580045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101931/publication.md
observed 436aa993697b27cd4915fadf612b138e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:02.562493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101931/publication.txt
observed 540259bad231a87832f8a6aa8351724f...
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.