OpenTechnical

OT-2026-000003862

Publication integrity record

Vacuum cup gripper, two zone face, three outlet manifold, pump fed

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-2026-000003862) never changes.

Identity and time

Publication numberOT-2026-000003862 · never reused
Internal UUID01a0a90b-48d3-7e74-a3ce-81c8758cc919 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:04.182926Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003862
StatusPUBLIC

Content hashes

Canonical textbc8e37cd6b08eabc6f25038c2ceda26b455c9946664eaa48855cf3ad4fde26af
Markdown0e98a6c2a0fb9ba025597bc1507ad593ea348a19729ca58b73613e47e8aa8602
PDF
Publication pageb469707443c1d86ba4f3ac0f989a7fa5ff1733fce64d2ae5ed09b86732361006
Manifest049c64f6cd1cd970994a2af2226de7af7e802ca22c50e09e6ea496a9893ac473

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
Signaturec8cO1XQpuWSOL8WqUfyIiZVdCnVk4J2lhqnGTrcAyY2ys7egassi1+KIzrGIJ1x8+Mug0a3uBv8gQLm54HwEDA==
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

2026-09-16T07:10:15.898258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003862
observed b469707443c1d86ba4f3ac0f989a7fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.882598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003862/manifest.json
observed 049c64f6cd1cd970994a2af2226de7af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.867992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003862/publication.md
observed 0e98a6c2a0fb9ba025597bc1507ad593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:15.854077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003862/publication.txt
observed bc8e37cd6b08eabc6f25038c2ceda26b...
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.