OpenTechnical

OT-2026-000016515

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000016515) never changes.

Identity and time

Publication numberOT-2026-000016515 · never reused
Internal UUID01a0ae6e-2d13-7e2a-8b8e-3ca82acdbc92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016515
StatusPUBLIC

Content hashes

Canonical text78664aaa0f4b10d6c0db5f5890893366db40e54ff88bbc093d9a87a8ccf22466
Markdownf498d3e61b34e41bde4c25eacfcc0272b3599bf3bd10a5bc98a6a38b7ea675c7
PDF
Publication pagef46c93dda67e1184e4e2e9fbe8fda835a129cc515dc760ec1a8e59a2d51063eb
Manifest4fe879e0b323daa9c9ccdb78fff4197260d787eddd2c89c96b686436e4be32cc

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
SignatureNpMZPslqbgqxMbw9aAz9psqSdyXWpvWFcAiY0Z7NJ1GFDzbRvWEOT+EOaTrEbNja90u1Qrntw9FYjFDuyEIvBA==
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

2026-09-17T12:04:43.773788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016515
observed f46c93dda67e1184e4e2e9fbe8fda835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.755704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016515/manifest.json
observed 4fe879e0b323daa9c9ccdb78fff41972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.736972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016515/publication.md
observed f498d3e61b34e41bde4c25eacfcc0272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.717438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016515/publication.txt
observed 78664aaa0f4b10d6c0db5f5890893366...
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.