Pith Number

pith:D75PDMU4

pith:2012:D75PDMU45VAFSX22UTZ7EFDJ44

not attested not anchored not stored refs pending

The GALFA-HI Compact Cloud Catalog

A. Begum, A. R. H. Brown, B. Burkhart, C. Heiles, Destry R. Saul, E. J. Korpela, E. T. Hamden, J. E. G. Peek, J. Grcevich, K. A. Douglas, M. E. Putman, M. Lee, N. M. Pingel, S. J. Gibson, S. Stanimirovic, S. Tonnesen

arxiv:1208.4103 v2 · 2012-08-20 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D75PDMU45VAFSX22UTZ7EFDJ44}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:55:09.069652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ffaf1b29ced40595f5aa4f3f21469e71fc56c0353b54d6b9430feae4bfdf078

Aliases

arxiv: 1208.4103 · arxiv_version: 1208.4103v2 · doi: 10.48550/arxiv.1208.4103 · pith_short_12: D75PDMU45VAF · pith_short_16: D75PDMU45VAFSX22 · pith_short_8: D75PDMU4

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/D75PDMU45VAFSX22UTZ7EFDJ44 \
  | 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: 1ffaf1b29ced40595f5aa4f3f21469e71fc56c0353b54d6b9430feae4bfdf078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d739399b16c8e6f06f89d66abc9f4f408d4d06f8604f05682d673ff5104f41d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-08-20T20:00:02Z",
    "title_canon_sha256": "86322360e198fad41dc1240c0dd8d897a905562b7709122bd15baab8a6526251"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4103",
    "kind": "arxiv",
    "version": 2
  }
}