OpenTechnical

OT-2026-000027575

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000027575) never changes.

Identity and time

Publication numberOT-2026-000027575 · never reused
Internal UUID01a0ae72-6999-7d6f-9fb3-aaddae718b3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027575
StatusPUBLIC

Content hashes

Canonical text6caf98ead082519e13b92b46bf59a87a78146fee9aedd316cd4102b7e1b3fbd0
Markdown9d256a852df0b7fda05a9a6d8d3a59302c0b5176b221d0c07ba95ca0238d1922
PDF
Publication page40932b9b393e2f8413cbfe58ff9e1c95bff787c609303d721a453d75cd6d1f24
Manifest010e2b8778724db526e595b50ac88f500e84416c220f4633dd78cf618ffe6307

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
Signature/J0j3JXbw93fgo7p5YJhV/DTGEnefQe+Ej75DsCUu3bqm4Clm6jxtqz6GFp8g1I8sJrHyiZ/9BfZJjXiaAZ3DQ==
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

2026-09-17T11:43:04.087447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027575
observed 40932b9b393e2f8413cbfe58ff9e1c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.070899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027575/manifest.json
observed 010e2b8778724db526e595b50ac88f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.053951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027575/publication.md
observed 9d256a852df0b7fda05a9a6d8d3a5930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.036819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027575/publication.txt
observed 6caf98ead082519e13b92b46bf59a87a...
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.