Pith Number

pith:2HNEI4LA

pith:2008:2HNEI4LA4ZZNCGDEPQGVJ2773S

not attested not anchored not stored refs pending

Complementarity of Future Dark Energy Probes

Filipe B. Abdalla, Jiayu Tang, Jochen Weller

arxiv:0807.3140 v1 · 2008-07-20 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HNEI4LA4ZZNCGDEPQGVJ2773S}

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	2026-05-18T02:15:44.819643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1da447160e672d118647c0d54ebffdc9fba479b98e86388655d60918d29ed52

Aliases

arxiv: 0807.3140 · arxiv_version: 0807.3140v1 · doi: 10.48550/arxiv.0807.3140 · pith_short_12: 2HNEI4LA4ZZN · pith_short_16: 2HNEI4LA4ZZNCGDE · pith_short_8: 2HNEI4LA

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/2HNEI4LA4ZZNCGDEPQGVJ2773S \
  | 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: d1da447160e672d118647c0d54ebffdc9fba479b98e86388655d60918d29ed52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a8c342318fc9bd40797f92494b7185250934d880d123a49ceca510e12f7636e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-20T17:06:05Z",
    "title_canon_sha256": "cda9d794e82340aa76259a8ceb76ebb04383215f3d140a20a81b8a113fdc2950"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3140",
    "kind": "arxiv",
    "version": 1
  }
}