OpenTechnical

OT-2026-000053253

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000053253) never changes.

Identity and time

Publication numberOT-2026-000053253 · never reused
Internal UUID01a0ae85-0a14-7e9e-b3d7-80103ce6ac93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053253
StatusPUBLIC

Content hashes

Canonical texta7732d0a5829fa2c0befe5e9dc1f1517b9a89de4952f5ec27f340708e2c08c81
Markdowncddeceae226fca4613da1c85a1b17e2efdbebfac4c0f6acc793cf61474e19d2d
PDF
Publication pagee7e38839e76f10e646f32cd1e9afde3ba3031bba7aca7b7096787193f0f134fd
Manifest851fae8b3b0cb612e4fd10b4acfc2ea1f9972e9ab73028e4a9035be2022d4165

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
Signature34G4skIXj+bbBa0esGdb0RdtR6658d4//ob+WdzyleCtVZdGXgos/FH5pZYqmaf62ehN/F74youYVk3Icg9nCA==
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

2026-09-17T08:40:57.727453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053253
observed e7e38839e76f10e646f32cd1e9afde3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:57.583693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053253/manifest.json
observed 851fae8b3b0cb612e4fd10b4acfc2ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:57.563489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053253/publication.md
observed cddeceae226fca4613da1c85a1b17e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:57.542915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053253/publication.txt
observed a7732d0a5829fa2c0befe5e9dc1f1517...
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.