OpenTechnical

OT-2026-000072060

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented 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-2026-000072060) never changes.

Identity and time

Publication numberOT-2026-000072060 · never reused
Internal UUID01a0ae92-47c1-74e2-97dd-2adce7b6b50f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072060
StatusPUBLIC

Content hashes

Canonical textc69102fc9f902f4c5fe7d848e895fdd6b7e2cc2cfd2b204f71abbf474d114dbe
Markdownf9dffec1bff0425d36509641e5f7f17c469c926d32366b8732d3642f452f4bc2
PDF
Publication pagecc8255c40b90c1b63ff6c4dcc39ff871208f37cd3d0b645cdf4b0b571ca87865
Manifest89a6f79f35844fb364e3421fe09083db1cc206c316d02dd18bdf135f91059da9

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
SignaturecyINzmbF+/r8f2gLoUHLmxhpI0RGtExpqBeqduYtfPrxrolpxI9T2M69opK5WR9hKjxPwkC2sb9r8LxBJzOnDQ==
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

2026-09-17T10:23:07.909806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072060
observed cc8255c40b90c1b63ff6c4dcc39ff871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.891699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072060/manifest.json
observed 89a6f79f35844fb364e3421fe09083db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.873889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072060/publication.md
observed f9dffec1bff0425d36509641e5f7f17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:07.854132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072060/publication.txt
observed c69102fc9f902f4c5fe7d848e895fdd6...
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.