OpenTechnical

OT-2026-000051187

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000051187) never changes.

Identity and time

Publication numberOT-2026-000051187 · never reused
Internal UUID01a0ae83-273f-7e6e-81bf-a3929c8c09a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051187
StatusPUBLIC

Content hashes

Canonical text5650790b020156b06a7df4e017809158d7e38e380fd4907bb42455beb006d438
Markdown84137f8037ca2d3f16ec713ab9d60eab4904a2b704a5949a5158e1e6e68fe148
PDF
Publication pagedafe77a785ffd8b5435479650f5e64415c6223e230de21c49221e01303c26f6d
Manifest0f1797fd416b255cff6d7f0f5464f9a5826cfbb8bd8bc19b600f7a997e6934bb

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
SignatureTTJv5frXxDcnHehB6P5l7n2dW2SiwJ0rALVdQf29nl2sgMBGNUXxZtDrnZpXolrS0wCsqGhhUZCDK7ZVDBydBg==
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

2026-09-17T10:58:57.878886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051187
observed dafe77a785ffd8b5435479650f5e6441...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.858398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051187/manifest.json
observed 0f1797fd416b255cff6d7f0f5464f9a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.837254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051187/publication.md
observed 84137f8037ca2d3f16ec713ab9d60eab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:57.814363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051187/publication.txt
observed 5650790b020156b06a7df4e017809158...
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.