OpenTechnical

OT-2026-000022927

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000022927) never changes.

Identity and time

Publication numberOT-2026-000022927 · never reused
Internal UUID01a0ae70-46eb-7aec-8823-25f219ebb98d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022927
StatusPUBLIC

Content hashes

Canonical text571f609252ac8ea9b698ffaeda7e2e8b7c13f831a28ad300f98e0d7ee9fbb482
Markdown1c0daba79fe8d551945c7f7d725ea489d3a4aa6c91077846bf4a52342a81ed33
PDF
Publication page356cd18244eb50d6576b1d37d3e8bd52e3e716da4335b7417586a8888f51bac9
Manifest1a43df9c2babc22054d8f4bd5f03d29b58df3e529d8a2264030dc1a8b51b2355

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
Signaturehcg0ccXeOBqM5Lb9OzQUUEvtBa4qmx+hEaVolycrkV/coz5+Br/OIiX+7EK1ikEevjg5euFGr4ytnDW2+0z1DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:30.315376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022927
observed 356cd18244eb50d6576b1d37d3e8bd52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.298715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022927/manifest.json
observed 1a43df9c2babc22054d8f4bd5f03d29b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.279942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022927/publication.md
observed 1c0daba79fe8d551945c7f7d725ea489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:30.263983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022927/publication.txt
observed 571f609252ac8ea9b698ffaeda7e2e8b...
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.