OpenTechnical

OT-2026-000045137

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000045137) never changes.

Identity and time

Publication numberOT-2026-000045137 · never reused
Internal UUID01a0ae7c-f768-7657-a2ec-be3c01bdc647 · 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-2026-000045137
StatusPUBLIC

Content hashes

Canonical text5007f75820c8ffaadf3329f3466ef8c70d37490ca69ac0cf1cc416aafebdcf02
Markdown881bcedf0ca6bd60b8adcc9855ea18a19d0e02e348a4e18d1be051de9dfc3d50
PDF
Publication pagef3d979703f31f96ba7a80da64ab3a94d49fa235b4877dc02f58dfa8f2f81ebc7
Manifest27f06e93c4d93a746ddecfd816848814fd8765b97fed804c83abbd43d671473a

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
SignaturefzG8iTc9ynF27RsUUKNN9zfp5PXKx+9elUgl7jb1BymdzBwqdCsAqTj7e76fpEjlMn7AJ10Hl14IvqSzBEpuCA==
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

2026-09-17T11:10:17.284333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045137
observed f3d979703f31f96ba7a80da64ab3a94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.264829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045137/manifest.json
observed 27f06e93c4d93a746ddecfd816848814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.245341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045137/publication.md
observed 881bcedf0ca6bd60b8adcc9855ea18a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:17.223595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045137/publication.txt
observed 5007f75820c8ffaadf3329f3466ef8c7...
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.