OpenTechnical

OT-2026-000023731

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000023731) never changes.

Identity and time

Publication numberOT-2026-000023731 · never reused
Internal UUID01a0ae70-aed4-7393-b25b-b4c8ad71e7cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023731
StatusPUBLIC

Content hashes

Canonical text436b24af1e80bdebde60718d75e3e7704343b831dd8561d87e072e5e17d4a7b6
Markdown7c7f2c7c7156e18f5ef3b1b84681d289e2514248528211d1ad8df2dff1c48b83
PDF
Publication pagedcc0b6720a8158d3ac7971f46994c1bf7044dabbdca96b57aac2424c1422af7c
Manifest5c019221838518f225bffa3b83c3ec1c2024c07134b2599c2013672b20a13286

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
SignatureJh2X3qKnmNOyFKEhp7zJqwapZSJfODL6xUiuQNw81YMUMAaRuV3pGC1Pd+LAu4IyGlpOsiBQCTZbx4b0T0xICA==
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

2026-09-17T11:50:04.574801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023731
observed dcc0b6720a8158d3ac7971f46994c1bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.553985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023731/manifest.json
observed 5c019221838518f225bffa3b83c3ec1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.535786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023731/publication.md
observed 7c7f2c7c7156e18f5ef3b1b84681d289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:04.518061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023731/publication.txt
observed 436b24af1e80bdebde60718d75e3e770...
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.