OpenTechnical

OT-2026-000023571

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, 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-2026-000023571) never changes.

Identity and time

Publication numberOT-2026-000023571 · never reused
Internal UUID01a0ae70-7269-7e05-95f9-21c596ec51a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023571
StatusPUBLIC

Content hashes

Canonical text3ef9c1860768aea4c72011d976d3b361991ea8abfda4a0a4a643aef535b8ccef
Markdownc64bbfd07b9ce1400676699ad00003cb117413f5cc4ba26878c72392b6984b7e
PDF
Publication page8858ab317fd6bdd4ff40ce2b25672082996ab5c2d1a2e57e7905736aeb1831ce
Manifest1f63af4a5a009de35dd25c4cf26f24eec03a53c1ae7ae304300b695fcdae0dd0

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
SignatureqwSFH2gMSkDBPCA8qfirRSoocJ/QX31rzaCWX8vTDQudRXKfAA03aQC9fp9xpU83OHi1Z/H5iKxdAja9Au5YBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:55.432111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023571
observed 8858ab317fd6bdd4ff40ce2b25672082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.415160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023571/manifest.json
observed 1f63af4a5a009de35dd25c4cf26f24ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.397237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023571/publication.md
observed c64bbfd07b9ce1400676699ad00003cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.380053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023571/publication.txt
observed 3ef9c1860768aea4c72011d976d3b361...
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.