OpenTechnical

OT-2026-000085848

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, sustained 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-2026-000085848) never changes.

Identity and time

Publication numberOT-2026-000085848 · never reused
Internal UUID01a0ae99-e829-77bd-a099-e4350e4f043b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085848
StatusPUBLIC

Content hashes

Canonical textade4cc9497b7b590985fbacd641f0a1538a0968eaf06430ebd471871205de664
Markdowncd137ad8cf1333175bba10981d95752b9afd07ce64de12f0233a45d012b007f9
PDF
Publication page6eafe34c13118c7cf5bfe77b492e8b24992cb33b5d6a3a65ae972944aaa0a8f7
Manifest842f054ea694eee1cbc145d6cde0b937a203a5a1623f5b4ec564240d54b94342

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
SignaturerGkh+oJWcuzB2+oNBLB0HmGIv44P4s69qwpP7wJB/U1kH8J7ItaFwVFb10sLin3r1ihBl+4OxDQhm5qCFhlfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:46.480654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085848
observed 6eafe34c13118c7cf5bfe77b492e8b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.464482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085848/manifest.json
observed 842f054ea694eee1cbc145d6cde0b937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.448823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085848/publication.md
observed cd137ad8cf1333175bba10981d95752b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:46.431682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085848/publication.txt
observed ade4cc9497b7b590985fbacd641f0a15...
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.