Pith Number

pith:PC7NLSG3

pith:2012:PC7NLSG3ZXAQQXUELWTCS2EMRS

not attested not anchored not stored refs pending

Identifying Ionized Regions in Noisy Redshifted 21 cm Data Sets

Adam Lidz, Matthew Malloy

arxiv:1212.2656 v3 · 2012-12-11 · 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{PC7NLSG3ZXAQQXUELWTCS2EMRS}

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	2026-05-18T01:52:39.783131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78bed5c8dbcdc1085e845da629688c8c8477aaaa5355333b0c8184c9895fb433

Aliases

arxiv: 1212.2656 · arxiv_version: 1212.2656v3 · doi: 10.48550/arxiv.1212.2656 · pith_short_12: PC7NLSG3ZXAQ · pith_short_16: PC7NLSG3ZXAQQXUE · pith_short_8: PC7NLSG3

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/PC7NLSG3ZXAQQXUELWTCS2EMRS \
  | 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: 78bed5c8dbcdc1085e845da629688c8c8477aaaa5355333b0c8184c9895fb433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adeba41f8002d9c6f2d98c8033e2e76acff6372258a0b9ba46deffda54b2e202",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-11T21:42:07Z",
    "title_canon_sha256": "5aabe9f1711dd904ed2cc95dc5e67e7a698db89ff8fdec2f67a7d85df4e79d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2656",
    "kind": "arxiv",
    "version": 3
  }
}