Pith Number

pith:QB77NF32

pith:2001:QB77NF32DHHUCBFHIHH4GTDQJS

not attested not anchored not stored refs pending

Getting the D-brane effective action from BPS configurations

Alexander Sevrin, Paul Koerber

arxiv:hep-th/0112210 v1 · 2001-12-21 · 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{QB77NF32DHHUCBFHIHH4GTDQJS}

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	2026-05-18T04:17:36.538610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

807ff6977a19cf4104a741cfc34c704ca5f9a1b096871b9ef6a0d31b529dcdba

Aliases

arxiv: hep-th/0112210 · arxiv_version: hep-th/0112210v1 · doi: 10.48550/arxiv.hep-th/0112210 · pith_short_12: QB77NF32DHHU · pith_short_16: QB77NF32DHHUCBFH · pith_short_8: QB77NF32

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/QB77NF32DHHUCBFHIHH4GTDQJS \
  | 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: 807ff6977a19cf4104a741cfc34c704ca5f9a1b096871b9ef6a0d31b529dcdba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d98dc882bfc56a030923dd4b2164bd99005a204a4fea766b11acb55fe4d3dbe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-12-21T13:30:51Z",
    "title_canon_sha256": "b03b7bba8415a429f77e4a5ed52eab88c3f7dc612df144ee4e1655b140bc1cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0112210",
    "kind": "arxiv",
    "version": 1
  }
}