OpenTechnical

OT-2026-000065327

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000065327) never changes.

Identity and time

Publication numberOT-2026-000065327 · never reused
Internal UUID01a0ae8e-1dfa-737f-89ee-eb18b62c7d7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065327
StatusPUBLIC

Content hashes

Canonical text541a8699746e1f2a4b5085702709df9ca6724fa72f8d6d1d20bac6aae2443e63
Markdown88f74a4ec6c64abaaec2611d4d775511c72898d5c5f5e4f6212e762a7a3b1e75
PDF
Publication page96291ee093b78499a97d653010012afc790b75aad073c932040537be08078280
Manifesta90e64a8f673db5b4e78759948ae37a9cbe692cf1acbc50377fbef181c2e6b35

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
SignatureMyIfDmMKPtBcrO47YFcUoYenWYTo3GekefUZMelGX1xb9mMYH2iE2Qyijp9YNJIsz/3RXeHXbf/lc/eeQGdvDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:18.427390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065327
observed 96291ee093b78499a97d653010012afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:18.409794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065327/manifest.json
observed a90e64a8f673db5b4e78759948ae37a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:18.391623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065327/publication.md
observed 88f74a4ec6c64abaaec2611d4d775511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:18.374561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065327/publication.txt
observed 541a8699746e1f2a4b5085702709df9c...
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.