OpenTechnical

OT-2026-000103804

Publication integrity record

Three 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-2026-000103804) never changes.

Identity and time

Publication numberOT-2026-000103804 · never reused
Internal UUID01a0aea4-e463-7672-bc44-a81e31f9ee35 · 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-2026-000103804
StatusPUBLIC

Content hashes

Canonical text76f0e9cff964ad794d66d3e46649596f757a2a537b3a45ae2235981a05d698b8
Markdown2ae728a5fbddc7e78ec67f7d294b41977a2cda08845391743f1a8c2f1ae37338
PDF
Publication page6b86b5eb36a414fc214fe9e5469192eb6273608b1f42274a8ce0bacb2ae6144d
Manifeste1aecc34698a92a17e9a975d087b2fe4c0581374db2ee12c8052ff23e6ef795e

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
SignatureskNF3IpWnPMb+SLxC4Uig0i4jnl34hyaI/Jwypzyh8/DlhLbeMd8h03xRr832G/MC8UvT0NL5vORw0EO+ykODA==
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

2026-09-17T09:22:45.569685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103804
observed 6b86b5eb36a414fc214fe9e5469192eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.554534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103804/manifest.json
observed e1aecc34698a92a17e9a975d087b2fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.538343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103804/publication.md
observed 2ae728a5fbddc7e78ec67f7d294b4197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.523320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103804/publication.txt
observed 76f0e9cff964ad794d66d3e46649596f...
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.