OpenTechnical

OT-2026-000003703

Publication integrity record

Vacuum cup gripper, two outlet manifold, two stage ejector, contact triggered on the face

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-2026-000003703) never changes.

Identity and time

Publication numberOT-2026-000003703 · never reused
Internal UUID01a0a90a-cac6-7a70-be2c-fef19009a463 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:31.913482Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003703
StatusPUBLIC

Content hashes

Canonical text6bed45ca3013c6042e3734a2e0d267afd7f2b3713857c8adcb32ddbe9c2d4cf8
Markdown5a3a12d636dae81ec278955302f74eb1faac849aba2881c9f52836f6036087fb
PDF
Publication page2526bea0945d96fca5ca5ccd888c36e841f89ef8dda56fcd71731a6a37bcd0d5
Manifest72155e2d129763f37e41093c78cf355d921e5539bdf3dec36a4f38a8c94434d1

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
SignatureqymLP6nXVx/S0wlwJs9Zy1shV6W1plMJ2lMipU4ZvpFZrQuka5G2XTogvJfyrIIed4IHTd86hmarxLUZSD0+BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:00:36.676730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003703
observed 2526bea0945d96fca5ca5ccd888c36e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:36.662209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003703/manifest.json
observed 72155e2d129763f37e41093c78cf355d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:36.647113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003703/publication.md
observed 5a3a12d636dae81ec278955302f74eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:36.631969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003703/publication.txt
observed 6bed45ca3013c6042e3734a2e0d267af...
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.