Pith Number

pith:WHISEZIZ

pith:2018:WHISEZIZFAU6MQYIMWJLOBOXFJ

not attested not anchored not stored refs pending

Inverse problems for the stationary transport equation in the diffusion scaling

Gunther Uhlmann, Qin Li, Ru-Yu Lai

arxiv:1808.02071 v1 · 2018-08-06 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WHISEZIZFAU6MQYIMWJLOBOXFJ}

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	2026-05-18T00:08:47.716950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1d12265192829e643086592b705d72a4ad70bbf3e62568ae8395927fcaf9bc6

Aliases

arxiv: 1808.02071 · arxiv_version: 1808.02071v1 · doi: 10.48550/arxiv.1808.02071 · pith_short_12: WHISEZIZFAU6 · pith_short_16: WHISEZIZFAU6MQYI · pith_short_8: WHISEZIZ

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/WHISEZIZFAU6MQYIMWJLOBOXFJ \
  | 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: b1d12265192829e643086592b705d72a4ad70bbf3e62568ae8395927fcaf9bc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b438a8b3d5282b35c35bcc2d0c51e5e2d9735b21b517ab6a50cfd39fa7ea661",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-08-06T19:06:47Z",
    "title_canon_sha256": "6a5ee78f27bfbd87de9895c985a2db324e88012d11bfa93ab5574c6067e2b8c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02071",
    "kind": "arxiv",
    "version": 1
  }
}