Pith Number

pith:SSZBIABJ

pith:2009:SSZBIABJLGYUX3Y3XYDYSOTCGT

not attested not anchored not stored refs pending

The impact of nebular emission on the ages of z~6 galaxies

CNRS), Daniel Schaerer (Geneva Observatory, Stephane de Barros (Geneva Observatory)

arxiv:0905.0866 v1 · 2009-05-06 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSZBIABJLGYUX3Y3XYDYSOTCGT}

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	2026-05-18T02:13:47.066055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94b214002959b14bef1bbe07893a6234c4cc05bad8c65d1da7f449f6d50ed36d

Aliases

arxiv: 0905.0866 · arxiv_version: 0905.0866v1 · doi: 10.48550/arxiv.0905.0866 · pith_short_12: SSZBIABJLGYU · pith_short_16: SSZBIABJLGYUX3Y3 · pith_short_8: SSZBIABJ

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/SSZBIABJLGYUX3Y3XYDYSOTCGT \
  | 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: 94b214002959b14bef1bbe07893a6234c4cc05bad8c65d1da7f449f6d50ed36d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79feb6aac065ff9e322855e01852705e66bba32e01dc26cdc3631d5ed2a41c69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-06T16:35:12Z",
    "title_canon_sha256": "6b13b37f5efa2901cfd0b72cd12da7d9a309e312db50ea4d6deec41ee87659b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0866",
    "kind": "arxiv",
    "version": 1
  }
}