Pith Number

pith:5TJL2FEH

pith:2025:5TJL2FEHDJNOYEQOII53MTIBVB

not attested not anchored not stored refs pending

The null condition in elastodynamics leads to non-uniqueness

Peng Qu, Shunkai Mao

arxiv:2502.07521 v1 · 2025-02-11 · 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{5TJL2FEHDJNOYEQOII53MTIBVB}

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	2026-07-05T10:12:38.776553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecd2bd14871a5aec120e423bb64d01a850d5ed972e1730addebec8f0c27a4c00

Aliases

arxiv: 2502.07521 · arxiv_version: 2502.07521v1 · doi: 10.48550/arxiv.2502.07521 · pith_short_12: 5TJL2FEHDJNO · pith_short_16: 5TJL2FEHDJNOYEQO · pith_short_8: 5TJL2FEH

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/5TJL2FEHDJNOYEQOII53MTIBVB \
  | 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: ecd2bd14871a5aec120e423bb64d01a850d5ed972e1730addebec8f0c27a4c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebc0a4d9796f22cbb936e70dc6260f27ac2a3ff5eed22b4361814d7e75e5e3f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-02-11T12:52:44Z",
    "title_canon_sha256": "6edadff9e7c98715706f72bebd3e118737990c1886516b3071e22aade3b186e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07521",
    "kind": "arxiv",
    "version": 1
  }
}