Pith Number

pith:HHUMPMPY

pith:2012:HHUMPMPYMJCUVHAEUPFSWQ6UJ6

not attested not anchored not stored refs pending

CRIRES-POP: A library of high resolution spectra in the near-infrared

A. Seifahrt, A. Smette, B. Wolff, G. A. J. Hussain, G. M. Wahlgren, H. Hartman, H. U. Kaeufl, M.-F. Nieva, N. Przybilla, S. Ramsay, S. Uttenthaler, T. Lebzelter, U. Seemann

arxiv:1202.4376 v1 · 2012-02-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHUMPMPYMJCUVHAEUPFSWQ6UJ6}

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	2026-05-18T01:58:23.462461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39e8c7b1f862454a9c04a3cb2b43d44fb3a58ed40d28c00272eec7d041a7bd33

Aliases

arxiv: 1202.4376 · arxiv_version: 1202.4376v1 · doi: 10.48550/arxiv.1202.4376 · pith_short_12: HHUMPMPYMJCU · pith_short_16: HHUMPMPYMJCUVHAE · pith_short_8: HHUMPMPY

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/HHUMPMPYMJCUVHAEUPFSWQ6UJ6 \
  | 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: 39e8c7b1f862454a9c04a3cb2b43d44fb3a58ed40d28c00272eec7d041a7bd33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "181800f873bb202250586496c67e6070412c50acf4069d8109ea315fad0f1278",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-20T16:48:37Z",
    "title_canon_sha256": "6b181d3216cc6ab33a437b8e1c788a2b6019a42dc02302611fa2ba71171df7c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4376",
    "kind": "arxiv",
    "version": 1
  }
}