OpenTechnical

OT-2026-000029549

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000029549) never changes.

Identity and time

Publication numberOT-2026-000029549 · never reused
Internal UUID01a0ae73-5e21-71ee-8e9b-6ddba9ee8106 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029549
StatusPUBLIC

Content hashes

Canonical text337e4fddd19b696d8ece1ba8e4b432b7a72af886b5225f09422cea5f436c0031
Markdown962e088ed3dcda27a1dbe600e0599418cc40d94f6fba905d6206c18da5271db3
PDF
Publication pagee44ce17d3f42996bbe7d32316b671c50b617b19989a27d7df23c17c4220ee5dd
Manifestade6c342b34b64800e95a4a518030f09b04b0845e41d97d98d3b80ef6b0096d4

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
SignatureMdq4qrHQGrkUB6yYW7n5AnLF+x/nweImBAFtBnYao5uHAd26J1/evXkmoG6CjqQoTkGZfCaJTI6ceamDpQozBg==
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

2026-09-17T11:39:12.366827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029549
observed e44ce17d3f42996bbe7d32316b671c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.349050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029549/manifest.json
observed ade6c342b34b64800e95a4a518030f09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.331998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029549/publication.md
observed 962e088ed3dcda27a1dbe600e0599418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.314410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029549/publication.txt
observed 337e4fddd19b696d8ece1ba8e4b432b7...
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.