Pith Number

pith:XXX7MZCY

pith:2021:XXX7MZCYB2PJLKZRAUM4H4TAR2

not attested not anchored not stored refs pending

Accreted or Not Accreted? The Fraction of Accreted Mass in Galaxies from Simulations and Observations

Duncan A. Forbes, Rhea-Silvia Remus

arxiv:2101.12216 v1 · 2021-01-28 · astro-ph.GA · 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{XXX7MZCYB2PJLKZRAUM4H4TAR2}

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	2026-07-05T04:48:33.587115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdeff664580e9e95ab310519c3f2608e857f0099d367e101c14fc0c03928934e

Aliases

arxiv: 2101.12216 · arxiv_version: 2101.12216v1 · doi: 10.48550/arxiv.2101.12216 · pith_short_12: XXX7MZCYB2PJ · pith_short_16: XXX7MZCYB2PJLKZR · pith_short_8: XXX7MZCY

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/XXX7MZCYB2PJLKZRAUM4H4TAR2 \
  | 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: bdeff664580e9e95ab310519c3f2608e857f0099d367e101c14fc0c03928934e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ee0ea042c9c7b7c09aec976457891ee9633dfde8d8228996f905ec0f7654d20",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-01-28T19:00:01Z",
    "title_canon_sha256": "7f62fbdbc576e8be1b7c0d55a7eb1681b4788be17b35b0a81cf3d6e088bc878d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.12216",
    "kind": "arxiv",
    "version": 1
  }
}