Pith Number

pith:3IVRKH3Y

pith:2001:3IVRKH3YJQW3SN3HSFQZEU65HA

not attested not anchored not stored refs pending

Detection of [N II] 5755 Emission from Low Density Ionized Interstellar Gas

L. M. Haffner, N. C. Sterling, R. J. Reynolds, S. L. Tufte

arxiv:astro-ph/0101487 v1 · 2001-01-26 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3IVRKH3YJQW3SN3HSFQZEU65HA}

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	2026-05-18T02:40:36.531046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da2b151f784c2db9376791619253dd381e9349c1eb41faced1b7dd122883c988

Aliases

arxiv: astro-ph/0101487 · arxiv_version: astro-ph/0101487v1 · doi: 10.48550/arxiv.astro-ph/0101487 · pith_short_12: 3IVRKH3YJQW3 · pith_short_16: 3IVRKH3YJQW3SN3H · pith_short_8: 3IVRKH3Y

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/3IVRKH3YJQW3SN3HSFQZEU65HA \
  | 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: da2b151f784c2db9376791619253dd381e9349c1eb41faced1b7dd122883c988

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f15add2b6862b09f939842ebef45f6c2c34e496ab19472244cb33be0644970",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-26T21:28:44Z",
    "title_canon_sha256": "6c566e0f71eaade840048bdc6eeede92f7f7be3378c0769668ffdaacb1e1d24e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101487",
    "kind": "arxiv",
    "version": 1
  }
}