Pith Number

pith:3J3KKGDF

pith:2016:3J3KKGDFGQMOZLX3IANGV2RCHQ

not attested not anchored not stored refs pending

The Star Formation Histories of Disk Galaxies: the Live, the Dead, and the Undead

(2) UCLA, (3) U. Chicago/KICP, (4) Padova Astronomical Observatory/INAF, (5) U. Melbourne), Alan Dressler (1), Augustus Oemler Jr (1), Benedetta Vulcani (5) ((1) Carnegie Observatories, Bianca M. Poggianti (4), Louis E. Abramson (2), Michael D. Gladders (3)

arxiv:1611.05932 v2 · 2016-11-18 · 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{3J3KKGDFGQMOZLX3IANGV2RCHQ}

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	2026-05-18T00:39:39.668841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da76a518653418ecaefb401a6aea223c36dbc0ebad45e663d2b819695def2628

Aliases

arxiv: 1611.05932 · arxiv_version: 1611.05932v2 · doi: 10.48550/arxiv.1611.05932 · pith_short_12: 3J3KKGDFGQMO · pith_short_16: 3J3KKGDFGQMOZLX3 · pith_short_8: 3J3KKGDF

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/3J3KKGDFGQMOZLX3IANGV2RCHQ \
  | 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: da76a518653418ecaefb401a6aea223c36dbc0ebad45e663d2b819695def2628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "141be517f17bc69baf679648eb9f45f377c18783e036d2a857ff6769fff42600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-18T00:08:39Z",
    "title_canon_sha256": "2371ef432817e43955bff5c82e6be0e1d1e5f8032b0472ee301e29574bc3fa45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05932",
    "kind": "arxiv",
    "version": 2
  }
}