OpenTechnical

OT-2026-000041193

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000041193) never changes.

Identity and time

Publication numberOT-2026-000041193 · never reused
Internal UUID01a0ae79-b143-783e-8968-b491a24d1226 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041193
StatusPUBLIC

Content hashes

Canonical text399c2877173aa1c62ffdd377d78dfa75a0963411d8b4a767c05d24297487cf46
Markdown0ed05c566cd5e3fece21f10d202e4c7674f75d6f729b0127a574638548ac7f40
PDF
Publication pagede115b85f7fe137cd6bcf2071b50f8078e65c723f50edf5330d37d9b23604067
Manifest6a2787f4484d3fc95fd20c4cfeb9e19b913e7b234b2e86da0fa1147f4170a985

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
SignaturegWAiMRiZ19vyYAa0Ll2TD7RGJsZUFrsGRgzSpDPuK88DVfqtHdh/s0VefTHZp1xBSSD7RqXdVT6oGxXiQVXZDQ==
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

2026-09-17T11:17:08.754243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041193
observed de115b85f7fe137cd6bcf2071b50f807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.738442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041193/manifest.json
observed 6a2787f4484d3fc95fd20c4cfeb9e19b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.719729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041193/publication.md
observed 0ed05c566cd5e3fece21f10d202e4c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:08.701106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041193/publication.txt
observed 399c2877173aa1c62ffdd377d78dfa75...
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.