OpenTechnical

OT-2026-000034115

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000034115) never changes.

Identity and time

Publication numberOT-2026-000034115 · never reused
Internal UUID01a0ae75-df0c-7924-b39c-27172c84958d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034115
StatusPUBLIC

Content hashes

Canonical text211b74c10655e6220506f17fc64fc501c0f62cec0a4979b1b4f0eaf06a39107c
Markdownedc52a666f75ef1e33f7cf8a2d3d723ce9f1a67df96676f9fc100c60b41dd530
PDF
Publication page8dbe454b27e597f681e2d1b4221e9cbae0192b6720131e0e0e67ff1f1239efc1
Manifestb319cad13a285e3b5960e0e072fee542d5aa2c2a542d3d5e8b03c1645117fda3

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
SignatureCG/zJDLZGJUlFeai6+ImMQ5Lq5PVvgaJHpXcmbfiU1xoO9CCjByHJ0qcVZhlYBSfp/8UYqtleeNgXU5euYTBCQ==
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

2026-09-17T11:30:30.152346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034115
observed 8dbe454b27e597f681e2d1b4221e9cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.133572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034115/manifest.json
observed b319cad13a285e3b5960e0e072fee542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.114955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034115/publication.md
observed edc52a666f75ef1e33f7cf8a2d3d723c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.094929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034115/publication.txt
observed 211b74c10655e6220506f17fc64fc501...
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.