Pith Number

pith:B55BD2IH

pith:2015:B55BD2IHDWI2CLWKHZK5OHID6E

not attested not anchored not stored refs pending

Combining galaxy and 21cm surveys

Gil Holder, J.D. Cohn, Martin White, Nikhil Padmanabhan, Olivier Dor\'e, Tzu-Ching Chang

arxiv:1511.07377 v2 · 2015-11-23 · 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{B55BD2IHDWI2CLWKHZK5OHID6E}

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	2026-05-18T01:20:41.573187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f7a11e9071d91a12eca3e55d71d03f103749a281d2f841f14a611133ba1d6eb

Aliases

arxiv: 1511.07377 · arxiv_version: 1511.07377v2 · doi: 10.48550/arxiv.1511.07377 · pith_short_12: B55BD2IHDWI2 · pith_short_16: B55BD2IHDWI2CLWK · pith_short_8: B55BD2IH

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/B55BD2IHDWI2CLWKHZK5OHID6E \
  | 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: 0f7a11e9071d91a12eca3e55d71d03f103749a281d2f841f14a611133ba1d6eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6be30091aa4ae6a28cecd0ede91166dc0b5779794f4d0edf69490df6b6f2124",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-11-23T19:33:30Z",
    "title_canon_sha256": "a5905c8c24c46bb3f65db97a3224d6464ba1535b3a7dcaec15d4f79ec5b1b837"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07377",
    "kind": "arxiv",
    "version": 2
  }
}