OpenTechnical

OT-2026-000100091

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000100091) never changes.

Identity and time

Publication numberOT-2026-000100091 · never reused
Internal UUID01a0aea3-1474-7272-b89a-40b6b209bb9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100091
StatusPUBLIC

Content hashes

Canonical text0d056216fb88e4dfd1e6ec8e018d75c094af1762d7a1f51527aafc168a78bc2b
Markdown76999143ef2780e1ebeefaa07f02b1eca7bbe86243fb873ea1706910cd9a6ecc
PDF
Publication page1b9e5179d8a88475cb639f541c0d115503d2c26d4fd79f0f555e61ebfebd0ac9
Manifest56a43ba71d0905c94a2c9d385ab838f5257c0feb2ba700af3b5727e2138263ba

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
SignatureFpnuMuunnv72XH3TP3NtG415DXPAJgE1DDIN3YrT/Vy0s7APxt8b4B+Oqug1o+lmN3hje6yI0S2qySEUfCnPBQ==
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

2026-09-17T09:29:02.800325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100091
observed 1b9e5179d8a88475cb639f541c0d1155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.782327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100091/manifest.json
observed 56a43ba71d0905c94a2c9d385ab838f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.764406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100091/publication.md
observed 76999143ef2780e1ebeefaa07f02b1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.745462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100091/publication.txt
observed 0d056216fb88e4dfd1e6ec8e018d75c0...
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.