OpenTechnical

OT-2026-000039048

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000039048) never changes.

Identity and time

Publication numberOT-2026-000039048 · never reused
Internal UUID01a0ae78-9672-76cb-a2c7-53d735754b23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039048
StatusPUBLIC

Content hashes

Canonical textfca6de2e17999fca523dbd7af50f4c95aa5461c252e73840eee0818fb72d903f
Markdownf65338314de547aa774f6dc40382c51af0cae06f9048529ada30a91abc2b0067
PDF
Publication page3bb87d8b9eccce8257bd97991717ff98ee5f35c78cdacde4fbba1b661f2c0215
Manifesta043044a43fab034de13f44dee9e45d6510cab2251a1de047401bddc8ae34c4a

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
Signaturea+QYm6aC8ZUo/GFzPPQ5o3DU4zYawad8cSnxN3QGjn2DpjLkuJcsUhV1Yz1cm2lttv3BUSLPAGYQTPlpd2S9Bw==
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

2026-09-17T11:20:24.199116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039048
observed 3bb87d8b9eccce8257bd97991717ff98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.180172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039048/manifest.json
observed a043044a43fab034de13f44dee9e45d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.162897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039048/publication.md
observed f65338314de547aa774f6dc40382c51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.142369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039048/publication.txt
observed fca6de2e17999fca523dbd7af50f4c95...
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.