Pith Number

pith:KYDHSYLN

pith:2013:KYDHSYLNGI3TKDMLXID5RNEJVQ

not attested not anchored not stored refs pending

The temperature of the diffuse HI in the Milky Way I: High resolution HI 21 cm absorption studies

Jayaram N. Chengalur, Nirupam Roy, Nissim Kanekar, Robert Braun

arxiv:1309.4098 v1 · 2013-09-16 · astro-ph.GA · 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{KYDHSYLNGI3TKDMLXID5RNEJVQ}

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	2026-05-18T02:46:22.758945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

560679616d3237350d8bba07d8b489ac17cd2a958ba0541b32eb51e16f7205c1

Aliases

arxiv: 1309.4098 · arxiv_version: 1309.4098v1 · doi: 10.48550/arxiv.1309.4098 · pith_short_12: KYDHSYLNGI3T · pith_short_16: KYDHSYLNGI3TKDML · pith_short_8: KYDHSYLN

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/KYDHSYLNGI3TKDMLXID5RNEJVQ \
  | 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: 560679616d3237350d8bba07d8b489ac17cd2a958ba0541b32eb51e16f7205c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "015b38e3dc567a2f82ab971c704d9ff1f8866c3cde51d919ef88d85931f03913",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-09-16T20:00:06Z",
    "title_canon_sha256": "f9d6e6330b0b6ae8dc012c0cb7b3917f079f4e0a60ff74ac62f2335b45d511cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4098",
    "kind": "arxiv",
    "version": 1
  }
}