pith. sign in
Pith Number

pith:5Y6SYOL6

pith:2011:5Y6SYOL622BGQEUEPDOR5A6YKY
not attested not anchored not stored refs pending

New Facts From the First Galaxy Distance Estimates

Ian Steer

arxiv:1101.5628 v1 · 2011-01-28 · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5Y6SYOL622BGQEUEPDOR5A6YKY}

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 2026-05-18T04:30:25.174842Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ee3d2c397ed68268128478dd1e83d85621ecb723438b28e5cb48e5ebb3429889

Aliases

arxiv: 1101.5628 · arxiv_version: 1101.5628v1 · doi: 10.48550/arxiv.1101.5628 · pith_short_12: 5Y6SYOL622BG · pith_short_16: 5Y6SYOL622BGQEUE · pith_short_8: 5Y6SYOL6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5Y6SYOL622BGQEUEPDOR5A6YKY \
  | 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: ee3d2c397ed68268128478dd1e83d85621ecb723438b28e5cb48e5ebb3429889
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9383acb5604a4c5c38c20b0320323f19effd186ce8e0aac66783dc67ab9de42c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-01-28T21:06:22Z",
    "title_canon_sha256": "3a4576e4f40b9047f373f17791cafa1ac8ee41bef8eddccd6ef48f682be2a710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5628",
    "kind": "arxiv",
    "version": 1
  }
}