OpenTechnical

OT-2026-000004552

Publication integrity record

Vacuum cup gripper, three zone face, six outlet manifold, two stage ejector, contact triggered

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-2026-000004552) never changes.

Identity and time

Publication numberOT-2026-000004552 · never reused
Internal UUID01a0a91b-ba0c-7c7a-a93a-8aa5fb60acad · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:26:01.743081Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004552
StatusPUBLIC

Content hashes

Canonical text8827d3a3a5c06e43bc22122f06d3e8484ca08a9fa1b864aa2150800d843a660c
Markdown4739ac9548358d339bee11a9f019e0e22a3ddd4f2c7b1b4db7e7af9cfddf722c
PDF
Publication page98653c9ee00a02ebb2a74bf40d5c8ed242af53b14ebd9914925a1d8f9dd859f2
Manifestdb9991594a3af1e1dc9a9eacbbb6b672e1ee9969403926d1d543f4534ac6f0c7

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
SignatureSUMeNaUsu3TWn9t2DCt6g5IsraiWDchY2fy/GBkHSK6KsDV+sYZ6b72+IXUv8SG/ILCCDx4jkgetZlxGoYwnCA==
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

2026-09-16T07:30:15.621500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004552
observed 98653c9ee00a02ebb2a74bf40d5c8ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:15.484001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004552/manifest.json
observed db9991594a3af1e1dc9a9eacbbb6b672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:15.472787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004552/publication.md
observed 4739ac9548358d339bee11a9f019e0e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:15.459056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004552/publication.txt
observed 8827d3a3a5c06e43bc22122f06d3e848...
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.