OpenTechnical

OT-2026-000026646

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026646) never changes.

Identity and time

Publication numberOT-2026-000026646 · never reused
Internal UUID01a0ae71-f4aa-71d3-84b8-02bacdef4337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026646
StatusPUBLIC

Content hashes

Canonical text37bfc7a22627db44b80ffc3e9a22ed75979278452056ffcbfa7071c1417c44c7
Markdownea8d2e9e4a5f899e61329289468d75e13f197451b07e14f8e975c26943945dae
PDF
Publication page6f2e24ecf663946299c188314b07fd5322bcbb1926812e76106b1e6833aec3b7
Manifest1ab8e8f4ed4a13507009d53e473f51eb84d3bccc761dee0a4c40e94414a3f249

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
SignatureVLnafPfmLpJ9fw0vkB3DlYdDm0s9RCArXEhgVhMTxsJuudvJra5rR5/G2MDMxJoUFVli8choSqYIPXfxj+01Dg==
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

2026-09-17T11:45:43.580261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026646
observed 6f2e24ecf663946299c188314b07fd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.560158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026646/manifest.json
observed 1ab8e8f4ed4a13507009d53e473f51eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.542736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026646/publication.md
observed ea8d2e9e4a5f899e61329289468d75e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.525048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026646/publication.txt
observed 37bfc7a22627db44b80ffc3e9a22ed75...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent