OpenTechnical

OT-2026-000081537

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum 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-2026-000081537) never changes.

Identity and time

Publication numberOT-2026-000081537 · never reused
Internal UUID01a0ae97-0f71-7028-9370-3ed011faa9d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081537
StatusPUBLIC

Content hashes

Canonical text3c29c358b2d3226fea69f68c17d7f798e6bbb51cc6e29cbb98cb49ee31afb180
Markdown345d2e2ce5dee8d0f437ff2413aae61245252be56dabd5b46b1e2b1b651310a7
PDF
Publication pageb1ecef8064f584ccabe2bb0cb221906af08433e4485fbd05e8caee2aea57eea7
Manifestc84116cf0f7ed6e6f3f9e3f81119d2d13a3966b6d7d47f1f1b705f6136a5a7be

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
SignaturejB+yNCxaZE6WD3iwEEEsuOCPOMcpTGDLSpSN/uosT2xV9jTCXfrzdYfitQSMniw8m1gkyCJShexzXfTvaUFSAQ==
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

2026-09-17T09:59:33.554000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081537
observed b1ecef8064f584ccabe2bb0cb221906a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.538529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081537/manifest.json
observed c84116cf0f7ed6e6f3f9e3f81119d2d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.519796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081537/publication.md
observed 345d2e2ce5dee8d0f437ff2413aae612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:33.503105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081537/publication.txt
observed 3c29c358b2d3226fea69f68c17d7f798...
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.