Pith Number

pith:NV2BTPAI

pith:2010:NV2BTPAIG3XDIS6SWWMTM6YNBF

not attested not anchored not stored refs pending

Vacuum polarization by topological defects in de Sitter spacetime

E. R. Bezerra de Mello

arxiv:1002.4369 v1 · 2010-02-23 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NV2BTPAIG3XDIS6SWWMTM6YNBF}

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	2026-05-18T02:08:57.719034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7419bc0836ee344bd2b599367b0d094990194ca978c786111b7c32140f0784

Aliases

arxiv: 1002.4369 · arxiv_version: 1002.4369v1 · doi: 10.48550/arxiv.1002.4369 · pith_short_12: NV2BTPAIG3XD · pith_short_16: NV2BTPAIG3XDIS6S · pith_short_8: NV2BTPAI

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/NV2BTPAIG3XDIS6SWWMTM6YNBF \
  | 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: 6d7419bc0836ee344bd2b599367b0d094990194ca978c786111b7c32140f0784

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac4503c01b72ac2a1c937d1911cee6f809f1b4fbfb0d149bbbb87ca123cf13e2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-02-23T16:59:27Z",
    "title_canon_sha256": "0497643d1419a9a8f54efd976ef7fe3f3dd69f7efa2ba83b0c2d4e2d35bbe8d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4369",
    "kind": "arxiv",
    "version": 1
  }
}