OpenTechnical

OT-2026-000051800

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000051800) never changes.

Identity and time

Publication numberOT-2026-000051800 · never reused
Internal UUID01a0ae83-7c84-7e3a-a647-164aabd64457 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051800
StatusPUBLIC

Content hashes

Canonical text16ed6adfbf9feb8b24f3b3c73e3f08e1992d49a1ca2759dea63bccb2cb209003
Markdown6658e4dcd1b6254b0e8a1363a91e2f2effa62e1c0f70136921cee4ca2b9a6fe7
PDF
Publication pagebd341f893066b55e798dd59efd7d503f71117e02e57439d0d1c8978813815a9b
Manifest81b428a38f74ffd60860c63f53b4af441ce72a8ed0a725520e08298125658611

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
Signature9PAtuEQW71LBKQmOtdBd0zoX80yYD7T/oLXK2ojVeScFMFjXHZ4dZ7rnB9PpDmW6bD3CuFtFvwtiaGJ8GRnEAA==
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

2026-09-17T10:58:42.872940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051800
observed bd341f893066b55e798dd59efd7d503f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:42.853484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051800/manifest.json
observed 81b428a38f74ffd60860c63f53b4af44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:42.834888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051800/publication.md
observed 6658e4dcd1b6254b0e8a1363a91e2f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:42.816819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051800/publication.txt
observed 16ed6adfbf9feb8b24f3b3c73e3f08e1...
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.