OpenTechnical

OT-2026-000051528

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump 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-2026-000051528) never changes.

Identity and time

Publication numberOT-2026-000051528 · never reused
Internal UUID01a0ae83-7c80-7a5a-9ff3-97d36741d69d · 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-2026-000051528
StatusPUBLIC

Content hashes

Canonical text15b4e05ea08100d10c06fb4264a533e818edd32f86eece8c93a1215b7568f02f
Markdownbf73c6c298121d24f0e943d756226834402afa2445a5da752a96468d40f1424a
PDF
Publication page63fd1e931f76d78692aa3de0d7578e2e17a88a27fa147e1bd2f8a7134cf0591c
Manifestabe9bdb3efb958787840e2a2b8558009c51f60cffb76c55e6eebe91734031256

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
SignatureM4NTVfm4I7eowqpQJBFfX/Qy2CMFt8EctrOtmC7p7jDjs6oIbM+z80e6swZFeYqT1BI3zPHFmTI6GNToMWDmDg==
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

2026-09-17T10:58:21.228493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051528
observed 63fd1e931f76d78692aa3de0d7578e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.210774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051528/manifest.json
observed abe9bdb3efb958787840e2a2b8558009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.192885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051528/publication.md
observed bf73c6c298121d24f0e943d756226834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.174709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051528/publication.txt
observed 15b4e05ea08100d10c06fb4264a533e8...
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.