OpenTechnical

OT-2026-000103792

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000103792) never changes.

Identity and time

Publication numberOT-2026-000103792 · never reused
Internal UUID01a0aea4-e463-7b62-8699-667cb55bf735 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103792
StatusPUBLIC

Content hashes

Canonical text4f96a4067833f83be09d3073e76c36645242e9aad6b6cd1c67eed7a0d19fdfd5
Markdowne28d1de0f2c2ddef4d5d870d2ade8154d2127d3c5b69881712fab1273ce9f4a1
PDF
Publication page05f2608b01cc399f434ad0b3ca2a0f7dfb69bfc1d7a548b8eb565cfabcf4d484
Manifest93b05c8cbbdbf4cdb2283eb85e301d0b56e39a50fe8d508523b637f870129042

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
SignatureQi0dZrmCnQnK+rCMiBt1vv2ks9Yvv05sH2dSSE1BjWa/1VpHh/H38g9l9mcCoj88SQS0jj/PbD97slxwcRv7CA==
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

2026-09-17T09:22:44.755131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103792
observed 05f2608b01cc399f434ad0b3ca2a0f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.739249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103792/manifest.json
observed 93b05c8cbbdbf4cdb2283eb85e301d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.721765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103792/publication.md
observed e28d1de0f2c2ddef4d5d870d2ade8154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.705130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103792/publication.txt
observed 4f96a4067833f83be09d3073e76c3664...
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.