Pith Number

pith:EYXR76D4

pith:2018:EYXR76D4LEMVEK26YCWYXQOEQM

not attested not anchored not stored refs pending

Optical Integral Field Spectroscopy observations applied to simulated galaxies: Testing the fossil record method

Aldo Rodr\'iguez-Puebla, Alejandro Gonz\'alez-Samaniego, H\'ector J. Ibarra-Medel, Sebasti\'an F. S\'anchez, Vladimir Avila-Reese

arxiv:1811.04856 v2 · 2018-11-12 · 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{EYXR76D4LEMVEK26YCWYXQOEQM}

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	2026-05-17T23:58:36.545023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

262f1ff87c5919522b5ec0ad8bc1c483242f1ef667b4977b530efda4ec7f46fd

Aliases

arxiv: 1811.04856 · arxiv_version: 1811.04856v2 · doi: 10.48550/arxiv.1811.04856 · pith_short_12: EYXR76D4LEMV · pith_short_16: EYXR76D4LEMVEK26 · pith_short_8: EYXR76D4

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/EYXR76D4LEMVEK26YCWYXQOEQM \
  | 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: 262f1ff87c5919522b5ec0ad8bc1c483242f1ef667b4977b530efda4ec7f46fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "161781bff6cdbaea142caef1c8c33fd29e2ffda56cc3b59aa70b962d178bdef2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-12T17:02:28Z",
    "title_canon_sha256": "385cc042975cd13b2f49c046ca46c22966be21ca7c254c2484e092745dfa29f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.04856",
    "kind": "arxiv",
    "version": 2
  }
}