Pith Number

pith:EQXATWYK

pith:2001:EQXATWYKOJPUYSB2PXCTVWGGJJ

not attested not anchored not stored refs pending

Infrared Spectroscopy of Substellar Objects in Orion

France Allard, Peter H. Hauschildt, P. F. Roche, P. W. Lucas

arxiv:astro-ph/0105154 v2 · 2001-05-09 · 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{EQXATWYKOJPUYSB2PXCTVWGGJJ}

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	2026-07-04T16:23:22.042595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

242e09db0a725f4c483a7dc53ad8c64a481cfaffefaaae3c8ec33e983065fa7b

Aliases

arxiv: astro-ph/0105154 · arxiv_version: astro-ph/0105154v2 · doi: 10.48550/arxiv.astro-ph/0105154 · pith_short_12: EQXATWYKOJPU · pith_short_16: EQXATWYKOJPUYSB2 · pith_short_8: EQXATWYK

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/EQXATWYKOJPUYSB2PXCTVWGGJJ \
  | 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: 242e09db0a725f4c483a7dc53ad8c64a481cfaffefaaae3c8ec33e983065fa7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03f07b6f8de2072755171a0fb1d764f62045868130ffbe7127c0d702ddcf1722",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-05-09T21:29:20Z",
    "title_canon_sha256": "8331ff7d84eafb8e94315c0ded3b93dcc404b5a80c94fd16604357c7c38e5066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0105154",
    "kind": "arxiv",
    "version": 2
  }
}