OpenTechnical

OT-2026-000047235

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000047235) never changes.

Identity and time

Publication numberOT-2026-000047235 · never reused
Internal UUID01a0ae7f-3e56-7ba1-b332-4f0ede9c0247 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047235
StatusPUBLIC

Content hashes

Canonical text515b0517d293f2969f297d3c9dd870a099c468cfc3f6e3ba687fc3cf73949b96
Markdown45098074f758aeaa9679a5a9f101df32a29a6e85e4886dfa1918133e2f84e4af
PDF
Publication pageb1a407e79cbc70b5a1caf51439897b8331249df767102fbf59c08de01d10a1d4
Manifest8819586c23513e14103a4599e57667c46de7e7e519971fc633a820edb31aa15a

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
Signature1T4pKEnEKxX9q8muWoCsx8HLf77+C5Mhm7Nafi7EH08OYghU+H2Hfk7Uo/EKVQmyfjlW0R5pKhTRuEeQ2+UnDw==
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

2026-09-17T11:06:11.432812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047235
observed b1a407e79cbc70b5a1caf51439897b83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.416713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047235/manifest.json
observed 8819586c23513e14103a4599e57667c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.400431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047235/publication.md
observed 45098074f758aeaa9679a5a9f101df32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.381986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047235/publication.txt
observed 515b0517d293f2969f297d3c9dd870a0...
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.