OpenTechnical

OT-2026-000047934

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single 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-2026-000047934) never changes.

Identity and time

Publication numberOT-2026-000047934 · never reused
Internal UUID01a0ae7f-c422-73e5-9d9d-f68726dfedb5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047934
StatusPUBLIC

Content hashes

Canonical text512fe0cd5cf47731509e1d80f4eb1f245cc285eafb8205758ad23b1a9728c6c7
Markdownae80a85de3b3de2689cae05804d23cf1563dc901a4b69aade0c27c53eec8d939
PDF
Publication page6dc630cd08f233523b9d1a397d490c85efdb8a923d0fad1ecf99a4601e6f63e0
Manifestd8d8c0586121e078d7a75c04f7ae2af9dde6fb5d8d8d95e430256ed3e203c443

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
SignaturenncIYj95+TFE3Vyf4LF1rLh4IUGRfFEQM9QMBtIrYnlY35crG7lLQNbQwRB1moxAmN2HZU4gPINmoz1dQMJFBQ==
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

2026-09-17T11:05:53.830147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047934
observed 6dc630cd08f233523b9d1a397d490c85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.809506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047934/manifest.json
observed d8d8c0586121e078d7a75c04f7ae2af9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.788642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047934/publication.md
observed ae80a85de3b3de2689cae05804d23cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:53.767412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047934/publication.txt
observed 512fe0cd5cf47731509e1d80f4eb1f24...
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.