OpenTechnical

OT-2026-000015445

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000015445) never changes.

Identity and time

Publication numberOT-2026-000015445 · never reused
Internal UUID01a0ae6d-ef4a-7f93-8d9e-2ab2c0c41720 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015445
StatusPUBLIC

Content hashes

Canonical text52d2b54d308aeb932363673bc911491a11024ecc192a8205cf72457bdf20f9f2
Markdown0aae8dd960e9fa3240ce2395617d88bb0cb164a1c36bc01033afb897e811b5b3
PDF
Publication page74fb7ffcc8632c652a5c43a9d0b923f2998ee4e56d5b36ac7340846083d9e199
Manifest728898a6a950d717a36f8d2a273cc0d156fb5c4d47980e7abd3b320eabf40132

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
SignatureIEdkH6c+bM+jdfezxJYnWxCHRXZ+sLF+ZMrehH7Q6Qs1UIHhK1pTpvT7zQVGzZP6+LyzUrcHo7RrG/TukeEMBw==
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

2026-09-17T12:06:11.324614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015445
observed 74fb7ffcc8632c652a5c43a9d0b923f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.303414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015445/manifest.json
observed 728898a6a950d717a36f8d2a273cc0d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.284117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015445/publication.md
observed 0aae8dd960e9fa3240ce2395617d88bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.264424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015445/publication.txt
observed 52d2b54d308aeb932363673bc911491a...
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.