OpenTechnical

OT-2026-000006952

Publication integrity record

Bellows cup vacuum gripper, two zone face, ejector fed, contact triggered, plastic cups, two fold

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-2026-000006952) never changes.

Identity and time

Publication numberOT-2026-000006952 · never reused
Internal UUID01a0a96d-72fc-7717-8a8a-56d9f7cf3b06 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:17.504291Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006952
StatusPUBLIC

Content hashes

Canonical text9041069708a94e02d5943cb0fa064ff43b8d6242a7fd92e98aed83d2fdea0bf7
Markdowna4936e2df4c0d8478cd1dd57595daf79de8e5d0d05a8d267bebd53575f9a2271
PDF
Publication page212e876b434f5a7183f0b37ab3d3060b17ce45ff2d0b922fb1f906642878a318
Manifest8e5422891ab2cdcf3959147be529484e48ec28e497fc74ba59221c473aee0d68

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
SignatureDhk4ux1Po3q1TcfaBn3y3tNSh2rpOPpzsazP17qF9uQw4cwFvUaEEojo+T8WgiNy1/8UhM0WcNV+nI63da0LDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:18.422057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006952
observed 212e876b434f5a7183f0b37ab3d3060b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.408648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006952/manifest.json
observed 8e5422891ab2cdcf3959147be529484e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.395162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006952/publication.md
observed a4936e2df4c0d8478cd1dd57595daf79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:18.379583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006952/publication.txt
observed 9041069708a94e02d5943cb0fa064ff4...
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.