OpenTechnical

OT-2026-000018601

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000018601) never changes.

Identity and time

Publication numberOT-2026-000018601 · never reused
Internal UUID01a0ae6e-b48b-7569-bedb-3262a8cde114 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018601
StatusPUBLIC

Content hashes

Canonical textb855d13107b55a061f4a835fa5a973cbd6e77769aa1a75552bc3aed742d10d7b
Markdowne20c4ded8249361a22fd6be779436fa480c884788686ce6abc342ca75f612b28
PDF
Publication pagea28fdd4dc2877223c714939921f0f960c14d359eebe5c73048c3730a5ee806ad
Manifest9e39bbd284e9627970db4e739060589c797d1a2eb7c5b97a86eef21695b41eb1

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
SignaturetHH2zeseZ29KK1WVEt35hC+TLzR8g0eiZzpBVEUl4xmUpELWYBZLNWmGpalXLKgwY9G5JLtDLBlkE/R9qzLiAQ==
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

2026-09-17T12:01:24.377659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018601
observed a28fdd4dc2877223c714939921f0f960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.358943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018601/manifest.json
observed 9e39bbd284e9627970db4e739060589c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.341916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018601/publication.md
observed e20c4ded8249361a22fd6be779436fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:24.324720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018601/publication.txt
observed b855d13107b55a061f4a835fa5a973cb...
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.