Pith Number

pith:WTPIQIAI

pith:2018:WTPIQIAICZBXTYZVSL4QU3X5YQ

not attested not anchored not stored refs pending

Detection of the Galactic Warm Neutral Medium in HI 21cm absorption

(2) Indian Institute of Science, India, India], Jayaram N. Chengalur (1), Narendra Nath Patra (1), Nirupam Roy (2) [(1) National Centre for Radio Astrophysics, Nissim Kanekar (1)

arxiv:1805.09851 v1 · 2018-05-24 · 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{WTPIQIAICZBXTYZVSL4QU3X5YQ}

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	2026-05-18T00:09:41.440711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4de882008164379e33592f90a6efdc4232ab0c08814b7f408c3cf06afaa3e90

Aliases

arxiv: 1805.09851 · arxiv_version: 1805.09851v1 · doi: 10.48550/arxiv.1805.09851 · pith_short_12: WTPIQIAICZBX · pith_short_16: WTPIQIAICZBXTYZV · pith_short_8: WTPIQIAI

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/WTPIQIAICZBXTYZVSL4QU3X5YQ \
  | 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: b4de882008164379e33592f90a6efdc4232ab0c08814b7f408c3cf06afaa3e90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62418340a43b576a151742989246ea4b664091bc6c42dd6304bda2d64363634e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-24T18:53:14Z",
    "title_canon_sha256": "0487299944152898fadd0b12046bbe834f54877c4eae97c587939bdecd42fc20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09851",
    "kind": "arxiv",
    "version": 1
  }
}