Pith Number

pith:FSZM73BP

pith:1997:FSZM73BPZ7IFHV4N6TFHOXAHRB

not attested not anchored not stored refs pending

Optical spectrum of the IR-source IRC+10420 in 1992-1996

E. L. Chentsov, V. E. Panchuk, V. G. Klochkova

arxiv:astro-ph/9709162 v1 · 1997-09-17 · 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{FSZM73BPZ7IFHV4N6TFHOXAHRB}

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	2026-05-18T01:40:16.752631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cb2cfec2fcfd053d78df4ca775c078874ee10fac97ba845609d40e4248b998a

Aliases

arxiv: astro-ph/9709162 · arxiv_version: astro-ph/9709162v1 · doi: 10.48550/arxiv.astro-ph/9709162 · pith_short_12: FSZM73BPZ7IF · pith_short_16: FSZM73BPZ7IFHV4N · pith_short_8: FSZM73BP

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/FSZM73BPZ7IFHV4N6TFHOXAHRB \
  | 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: 2cb2cfec2fcfd053d78df4ca775c078874ee10fac97ba845609d40e4248b998a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "523ed5f9170d5c40ddb7c8b4bbf74038308d9ce36a2d687e713c333b6ccaa499",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-17T05:10:41Z",
    "title_canon_sha256": "fc3514451fdfad102f44dd47eeacea11a67683660ed41731f573f7b0a48f05b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709162",
    "kind": "arxiv",
    "version": 1
  }
}