Pith Number

pith:JI5GBBZE

pith:2009:JI5GBBZE33R2VL2DSANE3B2G5X

not attested not anchored not stored refs pending

Free string evolution across plane wave singularities

Ben Craps, Frederik De Roo, Oleg Evnin

arxiv:0901.1989 v1 · 2009-01-14 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JI5GBBZE33R2VL2DSANE3B2G5X}

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	2026-05-18T02:14:57.537300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a3a608724dee3aaaf43901a4d8746eddde634adfb800be37fa8269c277b4ba1

Aliases

arxiv: 0901.1989 · arxiv_version: 0901.1989v1 · doi: 10.48550/arxiv.0901.1989 · pith_short_12: JI5GBBZE33R2 · pith_short_16: JI5GBBZE33R2VL2D · pith_short_8: JI5GBBZE

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/JI5GBBZE33R2VL2DSANE3B2G5X \
  | 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: 4a3a608724dee3aaaf43901a4d8746eddde634adfb800be37fa8269c277b4ba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6581d2e6b021b6744eaec8bc8752400c99cb2a5d5331f1d95f031a358aab923",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-01-14T12:18:44Z",
    "title_canon_sha256": "4ab261acb118c4decd179985389e17cd0f64c6b63c1ff5d156bb0ac7d4030243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1989",
    "kind": "arxiv",
    "version": 1
  }
}