Pith Number

pith:HBXE5YC6

pith:2016:HBXE5YC6IZE5NWJS7XQOD7OSQ7

not attested not anchored not stored refs pending

Implications of galaxy buildup for putative IMF variations in massive galaxies

Greg Bryan, Kirsten Blancato, Shy Genel

arxiv:1612.05658 v2 · 2016-12-16 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBXE5YC6IZE5NWJS7XQOD7OSQ7}

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	2026-05-18T00:36:32.845704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

386e4ee05e4649d6d932fde0e1fdd287c476425c8f24b9de64e92ea7dd89e901

Aliases

arxiv: 1612.05658 · arxiv_version: 1612.05658v2 · doi: 10.48550/arxiv.1612.05658 · pith_short_12: HBXE5YC6IZE5 · pith_short_16: HBXE5YC6IZE5NWJS · pith_short_8: HBXE5YC6

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/HBXE5YC6IZE5NWJS7XQOD7OSQ7 \
  | 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: 386e4ee05e4649d6d932fde0e1fdd287c476425c8f24b9de64e92ea7dd89e901

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b07c4a43870862ceac40a5ccf9fd43693a38d5670a4c2e0bf35aff7eb31420f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-16T21:11:16Z",
    "title_canon_sha256": "421934391b3b4fa91bcda27903345cd2e6665168593f945e4337a7204b918c31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05658",
    "kind": "arxiv",
    "version": 2
  }
}