Pith Number

pith:CX7Z5D2S

pith:2013:CX7Z5D2SB6O5GS5NECY7KIGJA3

not attested not anchored not stored refs pending

A spectroscopic sample of massive, evolved z~2 galaxies: Implications for the evolution of the mass-size relation

Allison Man, Andrew W. Zirm, Gabriel Brammer, Jens-Kristian Krogager, Sune Toft

arxiv:1309.6316 v2 · 2013-09-24 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CX7Z5D2SB6O5GS5NECY7KIGJA3}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:27:58.883479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15ff9e8f520f9dd34bad20b1f520c906c0c0e0a37bc275eb8d0ab3da736ab90e

Aliases

arxiv: 1309.6316 · arxiv_version: 1309.6316v2 · doi: 10.48550/arxiv.1309.6316 · pith_short_12: CX7Z5D2SB6O5 · pith_short_16: CX7Z5D2SB6O5GS5N · pith_short_8: CX7Z5D2S

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/CX7Z5D2SB6O5GS5NECY7KIGJA3 \
  | 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: 15ff9e8f520f9dd34bad20b1f520c906c0c0e0a37bc275eb8d0ab3da736ab90e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a8a62cd513b5fa7ad342ba47710b2d1e42ef590c9de54c5c3e5ff956ee7593",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-09-24T20:00:01Z",
    "title_canon_sha256": "3d95746d4048ef029fcdbdf7308b57e81614c2c25f61824091b443bb85b6ac64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6316",
    "kind": "arxiv",
    "version": 2
  }
}