Pith Number

pith:7ASL4ZQF

pith:2015:7ASL4ZQF2HKIB4F7Q6WEM4GMCJ

not attested not anchored not stored refs pending

HI emission and absorption in nearby, gas-rich galaxies

B. S. Koribalski, E. M. Sadler, J. R. Allison, M. B. Pracy, S. J. Curran, S. N. Reeves

arxiv:1503.01846 v1 · 2015-03-06 · 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{7ASL4ZQF2HKIB4F7Q6WEM4GMCJ}

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	2026-05-18T01:40:53.160592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f824be6605d1d480f0bf87ac4670cc1268dc3a0aa43070c5a2ed38889c168895

Aliases

arxiv: 1503.01846 · arxiv_version: 1503.01846v1 · doi: 10.48550/arxiv.1503.01846 · pith_short_12: 7ASL4ZQF2HKI · pith_short_16: 7ASL4ZQF2HKIB4F7 · pith_short_8: 7ASL4ZQF

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/7ASL4ZQF2HKIB4F7Q6WEM4GMCJ \
  | 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: f824be6605d1d480f0bf87ac4670cc1268dc3a0aa43070c5a2ed38889c168895

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d32540ec1d8a54e047a98f2b75ba8f9de30b97551f6053eb55ccfbd1f255fe1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-06T04:44:12Z",
    "title_canon_sha256": "c2475e444e3182fcef879a60583325e7d3457ac74369ff8b7edf0aedd1d836cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01846",
    "kind": "arxiv",
    "version": 1
  }
}