Pith Number

pith:BTINWWRS

pith:2015:BTINWWRSWKOCP65Y7MOLCUOCI6

not attested not anchored not stored refs pending

HI 21cm emission from the sub-damped Lyman-alpha absorber at z=0.0063 towards PG1216+069

B. A. Keeney, C. J. Salter, E. Momjian, Jayaram N. Chengalur, J. T. Stocke, N. Kanekar, T. Ghosh

arxiv:1508.02825 v1 · 2015-08-12 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTINWWRSWKOCP65Y7MOLCUOCI6}

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	2026-05-18T01:01:29.139526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cd0db5a32b29c27fbb8fb1cb151c24798aa342c256760ce1a120facb2f7efa9

Aliases

arxiv: 1508.02825 · arxiv_version: 1508.02825v1 · doi: 10.48550/arxiv.1508.02825 · pith_short_12: BTINWWRSWKOC · pith_short_16: BTINWWRSWKOCP65Y · pith_short_8: BTINWWRS

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/BTINWWRSWKOCP65Y7MOLCUOCI6 \
  | 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: 0cd0db5a32b29c27fbb8fb1cb151c24798aa342c256760ce1a120facb2f7efa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0db5368775eecc40c6686483f11bb667dc2b5342095d827c1d8741f1036eec29",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-08-12T06:53:06Z",
    "title_canon_sha256": "4b3194206c5e255b980b378d0462213ef8255bd427b59a0482f53ed7e0112817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02825",
    "kind": "arxiv",
    "version": 1
  }
}