Pith Number

pith:FTFENODV

pith:1999:FTFENODVWOEQVZ6RNIMYLKOVNC

not attested not anchored not stored refs pending

Mid-infrared spectra of late-type stars: Long-term evolution

J. D. Monnier, T. R. Geballe, W. C. Danchi

arxiv:astro-ph/9904034 v1 · 1999-04-02 · 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{FTFENODVWOEQVZ6RNIMYLKOVNC}

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	2026-07-04T16:10:51.948336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cca46b875b3890ae7d16a1985a9d56882740c6c1d3355d0e108fbce63349240

Aliases

arxiv: astro-ph/9904034 · arxiv_version: astro-ph/9904034v1 · doi: 10.48550/arxiv.astro-ph/9904034 · pith_short_12: FTFENODVWOEQ · pith_short_16: FTFENODVWOEQVZ6R · pith_short_8: FTFENODV

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/FTFENODVWOEQVZ6RNIMYLKOVNC \
  | 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: 2cca46b875b3890ae7d16a1985a9d56882740c6c1d3355d0e108fbce63349240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fab83b68566bed2388675fb5255b63a43622b3c56aba386146557d07a6b3ed49",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-02T19:49:49Z",
    "title_canon_sha256": "e81aff006bba92b971cf2625e81d8091f705c5ae4832adcf35e79f20af2be358"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904034",
    "kind": "arxiv",
    "version": 1
  }
}