Pith Number

pith:IVLBDA6V

pith:2013:IVLBDA6V4BLZX6CQAMO4TUCSV4

not attested not anchored not stored refs pending

Testing the well-posedness of characteristic evolution of scalar waves

H-O. Kreiss, J. Winicour, M. C. Babiuc

arxiv:1305.7179 v1 · 2013-05-30 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IVLBDA6V4BLZX6CQAMO4TUCSV4}

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	2026-05-18T01:49:39.628073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45561183d5e0579bf850031dc9d052af38ff6f79dc544700e0e4421d7cda2e1d

Aliases

arxiv: 1305.7179 · arxiv_version: 1305.7179v1 · doi: 10.48550/arxiv.1305.7179 · pith_short_12: IVLBDA6V4BLZ · pith_short_16: IVLBDA6V4BLZX6CQ · pith_short_8: IVLBDA6V

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/IVLBDA6V4BLZX6CQAMO4TUCSV4 \
  | 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: 45561183d5e0579bf850031dc9d052af38ff6f79dc544700e0e4421d7cda2e1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46f51ac1ed3cce55940ed3ef9539ea3cbca30f3d4d67026683d88c979f936cd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-30T17:45:32Z",
    "title_canon_sha256": "283f671efef971e4b71bf3bcbf45c66d2696803161aa20719cfee6d71e94a98e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7179",
    "kind": "arxiv",
    "version": 1
  }
}