Pith Number

pith:K4JNWMNM

pith:2009:K4JNWMNM5EOQWSXB2RFBEJGHC5

not attested not anchored not stored refs pending

Membranes with a boundary

Daniel C Thompson, David S Berman

arxiv:0904.0241 v2 · 2009-04-01 · 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{K4JNWMNM5EOQWSXB2RFBEJGHC5}

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	2026-05-18T04:33:16.162258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5712db31ace91d0b4ae1d44a1224c71744624855fa7f59e4c5412e9e4aad9060

Aliases

arxiv: 0904.0241 · arxiv_version: 0904.0241v2 · doi: 10.48550/arxiv.0904.0241 · pith_short_12: K4JNWMNM5EOQ · pith_short_16: K4JNWMNM5EOQWSXB · pith_short_8: K4JNWMNM

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/K4JNWMNM5EOQWSXB2RFBEJGHC5 \
  | 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: 5712db31ace91d0b4ae1d44a1224c71744624855fa7f59e4c5412e9e4aad9060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5442912cdb0089fb463638a18a471a7cb0844b3f7c989d981362c85cc7cc8a06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-04-01T19:13:25Z",
    "title_canon_sha256": "5707719e8b430934ebfbb1fe99940f4bd62373dcaeff3d8f5eb5f94c7fcc0b88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0241",
    "kind": "arxiv",
    "version": 2
  }
}