Pith Number

pith:7EP5XPM2

pith:2019:7EP5XPM22GFYIR3HLNFS53QXJ5

not attested not anchored not stored refs pending

The Null-Timelike Boundary Problems of Linear Wave Equations in Asymptotically Anti-de Sitter Space

Lin Zhang, Xiaoning Wu

arxiv:1910.01929 v1 · 2019-10-03 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EP5XPM22GFYIR3HLNFS53QXJ5}

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	2026-07-05T00:09:55.006481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91fdbbd9ad18b8447675b4b2eee174f62980a267f999d8d879ae85ac0db0a1a

Aliases

arxiv: 1910.01929 · arxiv_version: 1910.01929v1 · doi: 10.48550/arxiv.1910.01929 · pith_short_12: 7EP5XPM22GFY · pith_short_16: 7EP5XPM22GFYIR3H · pith_short_8: 7EP5XPM2

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/7EP5XPM22GFYIR3HLNFS53QXJ5 \
  | 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: f91fdbbd9ad18b8447675b4b2eee174f62980a267f999d8d879ae85ac0db0a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbd48671c6e7488fdc1e311b8f1155398db50b6877fecd0e343d6b2c7de2b6d6",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-10-03T14:49:32Z",
    "title_canon_sha256": "2da6f42fc9111a1f010119e8914cc6adfd256bb579eb615c92155450287799ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.01929",
    "kind": "arxiv",
    "version": 1
  }
}