OpenTechnical

OT-2026-000045117

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045117) never changes.

Identity and time

Publication numberOT-2026-000045117 · never reused
Internal UUID01a0ae7c-f768-757d-baf4-3dfbc2edfb28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045117
StatusPUBLIC

Content hashes

Canonical textf4531256a61bfa06046905cde97f54ee3f5b0163de4774e1113e860e27e7eb64
Markdownb3bbc896ee7a28a7d87eacffe044554b4c4e1f437de7481e4137198a6e29e9fe
PDF
Publication page47c464f3e3bf4b394862cc899bff536f68920da02896c6b6aa47427dcac66a4f
Manifest876ce56fd58f9b62b3b397e52f926ec5f55859af0619fdafbc7b0892f09bcac6

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
SignaturerBV9HhUWdttEfaFuaeNd9EwuiiZeFMk+0KaQ5G/7DSrYkj3rbBZiYlRlKX//S2MacEQUi/W+RPsHPs69x6MXDg==
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

2026-09-17T11:10:15.627643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045117
observed 47c464f3e3bf4b394862cc899bff536f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:15.607054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045117/manifest.json
observed 876ce56fd58f9b62b3b397e52f926ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:15.585925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045117/publication.md
observed b3bbc896ee7a28a7d87eacffe044554b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:15.567079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045117/publication.txt
observed f4531256a61bfa06046905cde97f54ee...
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.