Pith Number

pith:7CC2QRJ3

pith:2001:7CC2QRJ3Z7Z62XHSYKQQZQE5FR

not attested not anchored not stored refs pending

D-branes and constant electro-magnetic backgrounds

A. Sevrin, J. Bogaerts, J. Troost, S. van der Loo, W. Troost

arxiv:hep-th/0101018 v1 · 2001-01-02 · 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{7CC2QRJ3Z7Z62XHSYKQQZQE5FR}

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	2026-05-18T01:38:54.893707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f885a8453bcff3ed5cf2c2a10cc09d2c783373bc339eeffd0e3e2683201bb642

Aliases

arxiv: hep-th/0101018 · arxiv_version: hep-th/0101018v1 · doi: 10.48550/arxiv.hep-th/0101018 · pith_short_12: 7CC2QRJ3Z7Z6 · pith_short_16: 7CC2QRJ3Z7Z62XHS · pith_short_8: 7CC2QRJ3

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/7CC2QRJ3Z7Z62XHSYKQQZQE5FR \
  | 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: f885a8453bcff3ed5cf2c2a10cc09d2c783373bc339eeffd0e3e2683201bb642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab7bbe3a40babefebde4d9c57d3e92ea83520040077678f4eaa62d677f209484",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-01-02T09:13:21Z",
    "title_canon_sha256": "bd26eeaba9bf1a637a238bf96c4d9f8199cf263dedffb488be4bf6bf41ff3278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0101018",
    "kind": "arxiv",
    "version": 1
  }
}