OpenTechnical

OT-2026-000091398

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000091398) never changes.

Identity and time

Publication numberOT-2026-000091398 · never reused
Internal UUID01a0ae9c-f16d-7b25-9bed-fff7d9430ef4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091398
StatusPUBLIC

Content hashes

Canonical text6d9ef20b65d55b44e1b2376674b2b4ed6674e9ce4aeb5baf92fee5df4986b38f
Markdowndb24d1e62a82318916fc7fd1f6e52af838c5d3fd70b691e5bc7211ea9b979bb7
PDF
Publication page2729730f4dc6e342883f7bfa44d92edb7135fce0101fd61044da6480ccb22a4e
Manifest16b25f1f35e8c61812fa740f3782ce7cf43323e0cdea0166f0791c89668568cd

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
Signature81DP/6g9os1YMIwuRwpoq+r421YIfGAWzOiiefmiITs0Cc0kCDexCXVX3BP58asy6zdpXjwEocf5fyP78e3AAw==
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

2026-09-17T09:43:37.498864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091398
observed 2729730f4dc6e342883f7bfa44d92edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.478653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091398/manifest.json
observed 16b25f1f35e8c61812fa740f3782ce7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.456939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091398/publication.md
observed db24d1e62a82318916fc7fd1f6e52af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:37.434930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091398/publication.txt
observed 6d9ef20b65d55b44e1b2376674b2b4ed...
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.