OpenTechnical

OT-2026-000052602

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000052602) never changes.

Identity and time

Publication numberOT-2026-000052602 · never reused
Internal UUID01a0ae84-573b-78cf-b0f8-29b7ef16f39d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052602
StatusPUBLIC

Content hashes

Canonical texta759711c168cc51dd86080655db2cc3f6cb204c504e57ca1beb26aa8488c7fa5
Markdown3af000ef69237be008aef24d77aacea1ecaf5907e9d0a7e71156b6ef53390a23
PDF
Publication pagecdbe0a2ca969c30e9ec800b3c8d6c8cba8a0ec3b2f9656ff3d94708f3ab78326
Manifest30677ad6ae22b057cbe9dce0aab142713d8344a882327991db62932e00a154ed

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
Signature2PPiFLpEElehOy5OSYTdo0VRuUvFt/a2jNk+66fm0VcPFgLdXfHYZqvPrkSwzc1LOh1J1MLdgIKDSRgaKit1CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:16.206054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052602
observed cdbe0a2ca969c30e9ec800b3c8d6c8cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.188388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052602/manifest.json
observed 30677ad6ae22b057cbe9dce0aab14271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.171434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052602/publication.md
observed 3af000ef69237be008aef24d77aacea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:16.152900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052602/publication.txt
observed a759711c168cc51dd86080655db2cc3f...
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.