OpenTechnical

OT-2026-000036833

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000036833) never changes.

Identity and time

Publication numberOT-2026-000036833 · never reused
Internal UUID01a0ae77-773e-7347-aa13-a6455ccf7c24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036833
StatusPUBLIC

Content hashes

Canonical texta18ec7531d903c11e9d9f03799a29cc77537e73a9086336fa00fb9da5082d8fc
Markdowna0e11d7487e6a04e0c5787478a1c38cb2ad24bd9b0aa98be916ec7c5d6e7a672
PDF
Publication page4708a62688c01e6b4d44dcd55cf9013be480cdb94845ad555a52a39cf350518d
Manifestbb78174630e7133c6e512b26e0df55dc66b160543463b86feace82dbae08f66c

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
SignatureCpA6EbD2sXGVxOK5Qz57cFQZgnNQvbRBXjM57SmUig6BehO8LW2MXlGHLdJ7xV2R4Gy51PL9WHa8dwCTmlXIBw==
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

2026-09-17T11:24:27.184863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036833
observed 4708a62688c01e6b4d44dcd55cf9013b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:27.167267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036833/manifest.json
observed bb78174630e7133c6e512b26e0df55dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:27.150454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036833/publication.md
observed a0e11d7487e6a04e0c5787478a1c38cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:27.133129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036833/publication.txt
observed a18ec7531d903c11e9d9f03799a29cc7...
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.