OpenTechnical

OT-2026-000050901

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000050901) never changes.

Identity and time

Publication numberOT-2026-000050901 · never reused
Internal UUID01a0ae82-c7b3-7dae-b82a-26a562f4e212 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050901
StatusPUBLIC

Content hashes

Canonical text66d57f35d14ba4eb90ae561010118a1c09a349521ed9e6186f0aa5a85f143c8b
Markdown197d8d3a7a6c8e324a48f80435e0c5e2bc68c701e2c5f71e92d685491c181a71
PDF
Publication page6ee8b4ebe9072f053c584ad896d12c7071f7244f255d95140e9b94e88638c0cd
Manifest053b2765508a9cf0db6ab8b5a70c433deee97ed5711fe980416d325e84f3dd81

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
SignaturefcCxw4Y1G2T4r78SvPsVgvVJXdRShEJZn7Km/qdoyS7luJkuZNlovkdYYePItXc3AhLpNz4f42onUTl2UVRZCw==
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

2026-09-17T11:00:38.789904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050901
observed 6ee8b4ebe9072f053c584ad896d12c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.766300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050901/manifest.json
observed 053b2765508a9cf0db6ab8b5a70c433d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.747736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050901/publication.md
observed 197d8d3a7a6c8e324a48f80435e0c5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.735417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050901
observed 6ee8b4ebe9072f053c584ad896d12c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.730732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050901/publication.txt
observed 66d57f35d14ba4eb90ae561010118a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.717753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050901/manifest.json
observed 053b2765508a9cf0db6ab8b5a70c433d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.698222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050901/publication.md
observed 197d8d3a7a6c8e324a48f80435e0c5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:38.676569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050901/publication.txt
observed 66d57f35d14ba4eb90ae561010118a1c...
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.