OpenTechnical

OT-2026-000051641

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000051641) never changes.

Identity and time

Publication numberOT-2026-000051641 · never reused
Internal UUID01a0ae83-7c82-7d53-96e1-df875fb01a95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051641
StatusPUBLIC

Content hashes

Canonical text89f4c847b44305fe33d449226051713e0bcfa6eadc5ec57e834bf34d2d8bbf06
Markdown3a0b706a982becf9b01927be3c8f7104e5a115f4d647621193b7a23fd4f342af
PDF
Publication page1f14f2c52795c0849da3d692e34a90325b02f40f633d2199ad3009cc27c63a33
Manifest0495a122623abad002d35b4511f21fbd03fc333f21955147fbc0cd1b98ea4015

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
Signature625zG+CmHoZjKjwpfhKe6YQ4K3kw5RSOcjKma02t0pSnGRqUQ1rMrGpxin4XDgR4TPpRKluVidJSU7SjI/bcBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:30.134549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051641
observed 1f14f2c52795c0849da3d692e34a9032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.116193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051641/manifest.json
observed 0495a122623abad002d35b4511f21fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.098770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051641/publication.md
observed 3a0b706a982becf9b01927be3c8f7104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:30.081771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051641/publication.txt
observed 89f4c847b44305fe33d449226051713e...
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.