Pith Number

pith:K7WW72XD

pith:2017:K7WW72XDTYS2PWOKAU7QM2UYSL

not attested not anchored not stored refs pending

z~2: An Epoch of Disk Assembly

Alexander de la Vega, Benjamin J. Weiner, Camilla Pacifici, David C. Koo, Gregory F. Snyder, Joel R. Primack, Jonathan R. Trump, Raymond C. Simons, Sandra M. Faber, Susan A. Kassin, Timothy M. Heckman

arxiv:1705.03474 v1 · 2017-05-09 · 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{K7WW72XDTYS2PWOKAU7QM2UYSL}

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	2026-05-18T00:40:03.665839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57ed6feae39e25a7d9ca053f066a9892f874fc9cc064966630f64c0ae9176e04

Aliases

arxiv: 1705.03474 · arxiv_version: 1705.03474v1 · doi: 10.48550/arxiv.1705.03474 · pith_short_12: K7WW72XDTYS2 · pith_short_16: K7WW72XDTYS2PWOK · pith_short_8: K7WW72XD

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/K7WW72XDTYS2PWOKAU7QM2UYSL \
  | 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: 57ed6feae39e25a7d9ca053f066a9892f874fc9cc064966630f64c0ae9176e04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c2b79efb48d5aa6fec739f15929e38c43f30088006a258dd295ad3026e0c112",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-09T18:00:11Z",
    "title_canon_sha256": "77329060867b948daa48e04303e94c7dbf02c7b849a66d9b0f45721e69157501"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03474",
    "kind": "arxiv",
    "version": 1
  }
}