OpenTechnical

OT-2026-000004999

Publication integrity record

Vacuum cup gripper, per zone isolation, three outlet manifold, pump fed, rubber cups, oval form

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-2026-000004999) never changes.

Identity and time

Publication numberOT-2026-000004999 · never reused
Internal UUID01a0a92a-88f3-7b2b-b0be-ef0c24e636b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:42:12.214362Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004999
StatusPUBLIC

Content hashes

Canonical text2fe2c8b137e8389afe82d3e2c735ef5662582a5db6553626764d3ff0b42eed13
Markdownbf6c681ca659e0853a74315dec5e5f9f13ee0869b378714c7ac7e4c1984409e1
PDF
Publication page822a0e478cce7e51efc04630ececa91dbf70dfe14d69e0fd50a304153aba376f
Manifest577aeb686eca010e0ca20401cc1be119b7262248e7aac150be7da522183f844a

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
SignatureH40Wri8FJGjrCeywGLnRc7MuY3EtJrBN/hl6/BeF8KI4w465en9R8KrZRtLnahSaWd+2DjjlG8ZOha/iIeJ3Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:26.472621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004999
observed 822a0e478cce7e51efc04630ececa91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:26.458336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004999/manifest.json
observed 577aeb686eca010e0ca20401cc1be119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:26.446177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004999/publication.md
observed bf6c681ca659e0853a74315dec5e5f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:26.432720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004999/publication.txt
observed 2fe2c8b137e8389afe82d3e2c735ef56...
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.