Pith Number

pith:ZDCQEXQB

pith:2012:ZDCQEXQBLO5SYEUJIOWKZH2BDD

not attested not anchored not stored refs pending

The Epoch of Disk Settling: z~1 to Now

Aaron A. Dutton, A. J. Metevier, Alison L. Coil, Benjamin J. Weiner, C. N. A. Willmer, David C. Koo, Joel R. Primack, Jonathan P. Gardner, Julien Devriendt, Kai G. Noeske, Michael C. Cooper, Puragra Guhathakurta, S. M. Faber, Susan A. Kassin

arxiv:1207.7072 v1 · 2012-07-30 · 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{ZDCQEXQBLO5SYEUJIOWKZH2BDD}

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	2026-05-18T01:56:01.022103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8c5025e015bbb2c128943acac9f4118de25efd2fe7c6c8f25bd7df72de1dda1

Aliases

arxiv: 1207.7072 · arxiv_version: 1207.7072v1 · doi: 10.48550/arxiv.1207.7072 · pith_short_12: ZDCQEXQBLO5S · pith_short_16: ZDCQEXQBLO5SYEUJ · pith_short_8: ZDCQEXQB

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/ZDCQEXQBLO5SYEUJIOWKZH2BDD \
  | 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: c8c5025e015bbb2c128943acac9f4118de25efd2fe7c6c8f25bd7df72de1dda1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8054666c4a83fa8550593004a3c67c3af03f17e3c5a7ed90025e22123dd98dc6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-30T20:00:02Z",
    "title_canon_sha256": "346a1949180445cca00efc03a1aa54128b581ddb80213b1b49b5d5087e7653ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.7072",
    "kind": "arxiv",
    "version": 1
  }
}