OpenTechnical

OT-2026-000053757

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000053757) never changes.

Identity and time

Publication numberOT-2026-000053757 · never reused
Internal UUID01a0ae85-735d-77ec-ae6b-6b626568a6d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053757
StatusPUBLIC

Content hashes

Canonical text146f40471b83be570f6ecf5007726ef379df271812b8f6be27c79fb7a713517a
Markdown1a06e3af2db544738e425e78bd1370f07357cb34c2cfaab1c86481d5814ee3d3
PDF
Publication page2551312bf7a79315f53a3dc3d0e1fc1f38f882762eaf76569a8764d99653012e
Manifest53a327371e26e47ff05561459d89952ce9cadc9aba83bc5b5f8c7fd3d314d284

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
SignaturekIIJ7quUCqE+qzHHj2vh1IfYmtM+SnLsQqcrlubrRA2yS/Hqi4r7l/Gw3fVfqi5Orjw6fRUerSdnt0eEhJaJDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:20.076372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053757
observed 2551312bf7a79315f53a3dc3d0e1fc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:20.054573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053757/manifest.json
observed 53a327371e26e47ff05561459d89952c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:20.003923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053757/publication.md
observed 1a06e3af2db544738e425e78bd1370f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.966404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053757/publication.txt
observed 146f40471b83be570f6ecf5007726ef3...
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.