Pith Number

pith:R3YXG4JX

pith:2009:R3YXG4JX4ZOX5LLM4A4HOZEPXK

not attested not anchored not stored refs pending

Insightful D-branes

Albion Lawrence, Eva Silverstein, Gary Horowitz

arxiv:0904.3922 v2 · 2009-04-24 · 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{R3YXG4JX4ZOX5LLM4A4HOZEPXK}

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	2026-07-04T15:47:29.307935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ef1737137e65d7ead6ce03877648fba8074199ca50a5d058682e0f97a756e3b

Aliases

arxiv: 0904.3922 · arxiv_version: 0904.3922v2 · doi: 10.48550/arxiv.0904.3922 · pith_short_12: R3YXG4JX4ZOX · pith_short_16: R3YXG4JX4ZOX5LLM · pith_short_8: R3YXG4JX

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/R3YXG4JX4ZOX5LLM4A4HOZEPXK \
  | 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: 8ef1737137e65d7ead6ce03877648fba8074199ca50a5d058682e0f97a756e3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "351153e7f609ec622a92b4ba10f892e546deaaab2cf7989e812e10373abffe63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-04-24T18:47:47Z",
    "title_canon_sha256": "693544bae50226b74651017e9acdfc1c0744b2f6db4589db3eb8de01c3c00599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3922",
    "kind": "arxiv",
    "version": 2
  }
}