Pith Number

pith:7PGHHDBE

pith:2010:7PGHHDBEV42UDDAMNBE6XGGXCH

not attested not anchored not stored refs pending

Observational Signatures of the First Galaxies

Jarrett L. Johnson (MPE)

arxiv:1003.5311 v1 · 2010-03-27 · 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{7PGHHDBEV42UDDAMNBE6XGGXCH}

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	2026-05-18T02:08:16.478967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbcc738c24af35418c0c6849eb98d711de9e617ec42a3aad6200c8d0e0054b5b

Aliases

arxiv: 1003.5311 · arxiv_version: 1003.5311v1 · doi: 10.48550/arxiv.1003.5311 · pith_short_12: 7PGHHDBEV42U · pith_short_16: 7PGHHDBEV42UDDAM · pith_short_8: 7PGHHDBE

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/7PGHHDBEV42UDDAMNBE6XGGXCH \
  | 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: fbcc738c24af35418c0c6849eb98d711de9e617ec42a3aad6200c8d0e0054b5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85044d267b332e1ea500fff3ee22624eccf7bc7924200e7875e622699534f45b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-03-27T16:52:26Z",
    "title_canon_sha256": "1ef10664fe1170501b0e86bac1ef22ba03adc2cd114bfe2c0903e464500f275e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5311",
    "kind": "arxiv",
    "version": 1
  }
}