OpenTechnical

OT-2026-000018578

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000018578) never changes.

Identity and time

Publication numberOT-2026-000018578 · never reused
Internal UUID01a0ae6e-b48b-7238-b878-f0cec06bfd36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018578
StatusPUBLIC

Content hashes

Canonical text98e631e1d1de1906c6cdde4dabc77ed875daa1427368f05abdfdd9e63b2bf6a0
Markdownb8d6af47f52db9401aa069b9a179a4f2f6ec1c8b3d237e7674f7777fc179edd0
PDF
Publication page3349a13e5b16ac2cb5a80037455d8634af30fd75ed9cca207ffa73d5b2e16298
Manifest5b9d8e1818c0efa96c69f0a2a03a9ae57407f481fbeb45ed89103d6edb8769b5

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
SignatureiKiEcnkodoORbtpFGtg0nGFkl9/iCV6eqGF6Lk25JNrcUamVThT8qg14wqijdghlE9ZpfwlM69+LYUTDNvyuCg==
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

2026-09-17T12:01:22.845588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018578
observed 3349a13e5b16ac2cb5a80037455d8634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.827758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018578/manifest.json
observed 5b9d8e1818c0efa96c69f0a2a03a9ae5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.810106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018578/publication.md
observed b8d6af47f52db9401aa069b9a179a4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.793052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018578/publication.txt
observed 98e631e1d1de1906c6cdde4dabc77ed8...
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.