OpenTechnical

OT-2026-000007129

Publication integrity record

Bellows cup vacuum gripper, ejector fed, pressure verified at each zone, 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-2026-000007129) never changes.

Identity and time

Publication numberOT-2026-000007129 · never reused
Internal UUID01a0a973-b641-7d81-a1c9-286cc4b24faa · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:02:07.940360Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007129
StatusPUBLIC

Content hashes

Canonical text914caadbd763166935fc624bde596f952e0c1343b254534b93b7bb78a555cd32
Markdown042eecd6a786305c1f4bfb13c3876602c9dddcd35e5deeee126d4ed0342e4dbd
PDF
Publication pageb4e4d3801e4b02aa3a3b95557b91b436cc4901c26b481022c8d1ca93de954920
Manifest102fee872b1d4d0badd01121ffc2bdba8da009cf8a973a61533b4fca12a59bd1

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
SignatureXqLmX8vz9cgPpSKRzhWru4UPA/tPUPN/JJcAb7WxYb01Qpz6RtFkB4HV1c13YDibskR9lpIS/VCBMKlGciklBw==
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

2026-09-16T09:10:23.894082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007129
observed b4e4d3801e4b02aa3a3b95557b91b436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:23.881039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007129/manifest.json
observed 102fee872b1d4d0badd01121ffc2bdba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:23.746054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007129/publication.md
observed 042eecd6a786305c1f4bfb13c3876602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:23.732209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007129/publication.txt
observed 914caadbd763166935fc624bde596f95...
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.