Pith Number

pith:FIDBQE2E

pith:2018:FIDBQE2EDCWWROCBKHFTBVK3O5

not attested not anchored not stored refs pending

Reconstruction of isotropic conductivities from non smooth electric fields

Marc Briane (IRMAR)

arxiv:1802.04857 v1 · 2018-02-12 · math.AP · physics.class-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FIDBQE2EDCWWROCBKHFTBVK3O5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:23:22.421781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a0618134418ad68b84151cb30d55b7741579b816d6444dff45b5e2667406949

Aliases

arxiv: 1802.04857 · arxiv_version: 1802.04857v1 · doi: 10.48550/arxiv.1802.04857 · pith_short_12: FIDBQE2EDCWW · pith_short_16: FIDBQE2EDCWWROCB · pith_short_8: FIDBQE2E

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FIDBQE2EDCWWROCBKHFTBVK3O5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2a0618134418ad68b84151cb30d55b7741579b816d6444dff45b5e2667406949

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6881a5df38234fc748885f0b39ba808ab3fce58241f807f2125e5733c35ba85",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-12T12:57:53Z",
    "title_canon_sha256": "4d51fdd4b35deeb0b6d413607730fb68722ab371178502841a92de5714199131"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04857",
    "kind": "arxiv",
    "version": 1
  }
}