OpenTechnical

OT-2026-000030213

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000030213) never changes.

Identity and time

Publication numberOT-2026-000030213 · never reused
Internal UUID01a0ae73-e500-7316-9821-11f2e2c5cd1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030213
StatusPUBLIC

Content hashes

Canonical text834b8e7b45fa150e30f0e91f2f0e2aaae5b0a84bfd9ace6b6b86e523b11c7c84
Markdowndd4ab59b1912923350ce857b8d202d52ed38cbcbfae2ef85e20cd5b4bd498218
PDF
Publication pagee179aaa94f139ee78d09655f172c6d579da6056495e9f8365941fe53de2acb99
Manifestb66031c18533afc884e6f4e7dc8a3f5392a100ab4b5f89a744efbc538a01d231

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
SignatureGbAjdVEcqiL+ei7rWQ9Si5etS7JvYWl3j/xAAZvm8zysyYBhDG5MWuCfLhdSEuWxEQ5IYKzMSX3utmemmOAWDQ==
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

2026-09-17T11:40:35.215509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030213
observed e179aaa94f139ee78d09655f172c6d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.177632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030213/manifest.json
observed b66031c18533afc884e6f4e7dc8a3f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.157438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030213/publication.md
observed dd4ab59b1912923350ce857b8d202d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.102317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030213/publication.txt
observed 834b8e7b45fa150e30f0e91f2f0e2aaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.729075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030213
observed e179aaa94f139ee78d09655f172c6d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.695207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030213/manifest.json
observed b66031c18533afc884e6f4e7dc8a3f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.677085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030213/publication.md
observed dd4ab59b1912923350ce857b8d202d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.630545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030213/publication.txt
observed 834b8e7b45fa150e30f0e91f2f0e2aaa...
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.