OpenTechnical

OT-2026-000013861

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000013861) never changes.

Identity and time

Publication numberOT-2026-000013861 · never reused
Internal UUID01a0ae6d-8de9-7829-8673-6db76fd2d958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013861
StatusPUBLIC

Content hashes

Canonical text42dbdba70bfb58719a465b32735835479f2dbb69379e1e4f481d9740653d99f8
Markdown3a460c3dcc15cf3e5de4a5d580dd224050e966d135dacfe57b7d743dd93f95f4
PDF
Publication page1acf4661849a6ece3e49a285d9dcca47526555539fc6ce20a00ec227db5b38a7
Manifest8b34d5f1b9142de7236420aafb2a62d34d01438be568f8c0ed4854119051e62a

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
Signature2mRUQKijtiStaXC+BR16P2KIuWrd03BnM+2OckJPVYuhQ+guNWSx58ZZ6XE2IBNTIa5dEjHA53NLkr7CIbRQAQ==
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

2026-09-17T12:08:58.400568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013861
observed 1acf4661849a6ece3e49a285d9dcca47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.382544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013861/manifest.json
observed 8b34d5f1b9142de7236420aafb2a62d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.364115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013861/publication.md
observed 3a460c3dcc15cf3e5de4a5d580dd2240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:58.345257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013861/publication.txt
observed 42dbdba70bfb58719a465b3273583547...
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.