Pith Number

pith:GHQM3BFP

pith:2013:GHQM3BFPFFI2SDCJMY733WIRND

not attested not anchored not stored refs pending

Infall of nearby galaxies into the Virgo cluster as traced with HST

Andrew E. Dolphin, Edward J. Shaya, Igor. D. Karachentsev, Po-Feng Wu, R. Brent Tully

arxiv:1312.6769 v2 · 2013-12-24 · 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{GHQM3BFPFFI2SDCJMY733WIRND}

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	2026-05-18T01:45:42.138109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31e0cd84af2951a90c49663fbdd91168c3bbbcf4df75d4d7fa1b354eb151309d

Aliases

arxiv: 1312.6769 · arxiv_version: 1312.6769v2 · doi: 10.48550/arxiv.1312.6769 · pith_short_12: GHQM3BFPFFI2 · pith_short_16: GHQM3BFPFFI2SDCJ · pith_short_8: GHQM3BFP

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/GHQM3BFPFFI2SDCJMY733WIRND \
  | 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: 31e0cd84af2951a90c49663fbdd91168c3bbbcf4df75d4d7fa1b354eb151309d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "334b89ebbd6d255a8ce300a66a0549b59991dcbab0aee499bfc8c73e841b1003",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-12-24T07:15:05Z",
    "title_canon_sha256": "81c7d5f697cdd6957073f3fb18d5544769bb2a00194b75e005167b23da5fcfaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6769",
    "kind": "arxiv",
    "version": 2
  }
}