Pith Number

pith:BUUBUPF6

pith:2000:BUUBUPF6ZMHB5LCB2ER7EIXGDY

not attested not anchored not stored refs pending

D-branes and boundary states in closed string theories

Ben Craps

arxiv:hep-th/0004198 v1 · 2000-04-27 · 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{BUUBUPF6ZMHB5LCB2ER7EIXGDY}

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	2026-07-04T14:31:20.971292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d281a3cbecb0e1eac41d123f222e61e0662ce90087ed6883ba6d684b7079143

Aliases

arxiv: hep-th/0004198 · arxiv_version: hep-th/0004198v1 · doi: 10.48550/arxiv.hep-th/0004198 · pith_short_12: BUUBUPF6ZMHB · pith_short_16: BUUBUPF6ZMHB5LCB · pith_short_8: BUUBUPF6

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/BUUBUPF6ZMHB5LCB2ER7EIXGDY \
  | 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: 0d281a3cbecb0e1eac41d123f222e61e0662ce90087ed6883ba6d684b7079143

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f8f5dd4b0d6139ec49e67ddf225917e70237f481e621f8c4474817e022423e5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2000-04-27T19:36:01Z",
    "title_canon_sha256": "276bee461aaf773c2cff94d5a3f6ed49e182189ccf772e57ca3b28756477327d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0004198",
    "kind": "arxiv",
    "version": 1
  }
}