OpenTechnical

OT-2026-000080051

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000080051) never changes.

Identity and time

Publication numberOT-2026-000080051 · never reused
Internal UUID01a0ae96-4377-743f-a6c9-a17de84f4fa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080051
StatusPUBLIC

Content hashes

Canonical text6a1fc3c93c946ef8817d35d5b14647e74e188178ff259df0a8ee11350a434a2d
Markdownbd23523be5a5a577420e109dfb63fe192da40593f613451109f3241ea37a34df
PDF
Publication pagef734d673b82212dfbe772cef14f7d2d7ca9cd3e149373a906a91ea4c14c2b6e2
Manifestdd65e6f5192279e97bcdb6c93c15560b0cd64a616478ae6411b4f875dc5021cf

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
SignaturecOY6JZ5FCUNfceZhsYYLzoc3JLNSCPXB9duZYl0c2GaNTwcYSmx+6apgAC7wWOSibfl3/rvrf54DADMAL43rAg==
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

2026-09-17T10:03:58.825501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080051
observed f734d673b82212dfbe772cef14f7d2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.806212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080051/manifest.json
observed dd65e6f5192279e97bcdb6c93c15560b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.788371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080051/publication.md
observed bd23523be5a5a577420e109dfb63fe19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.770925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080051/publication.txt
observed 6a1fc3c93c946ef8817d35d5b14647e7...
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.