Pith Number

pith:D7ATAQ74

pith:2006:D7ATAQ74KG3S2FHE5NTXVKJBOP

not attested not anchored not stored refs pending

Problems which are well-posed in a generalized sense with applications to the Einstein equations

H.-O. Kreiss, J. Winicour

arxiv:gr-qc/0602051 v3 · 2006-02-13 · 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{D7ATAQ74KG3S2FHE5NTXVKJBOP}

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	2026-05-18T04:23:46.869328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fc13043fc51b72d14e4eb677aa92173c294959d8d0ebe814e3ea1a9c9170560

Aliases

arxiv: gr-qc/0602051 · arxiv_version: gr-qc/0602051v3 · doi: 10.48550/arxiv.gr-qc/0602051 · pith_short_12: D7ATAQ74KG3S · pith_short_16: D7ATAQ74KG3S2FHE · pith_short_8: D7ATAQ74

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/D7ATAQ74KG3S2FHE5NTXVKJBOP \
  | 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: 1fc13043fc51b72d14e4eb677aa92173c294959d8d0ebe814e3ea1a9c9170560

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00a30014124062ac91ccbe373cdbb3a2fb9c698fc8a310f8b6e000747aa3ac63",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-02-13T22:06:20Z",
    "title_canon_sha256": "b70b4058c05ce36593cd4dc5b2115e7d1136b873c40267b6ae1262c16b5da685"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0602051",
    "kind": "arxiv",
    "version": 3
  }
}