Pith Number

pith:FYPKLJXM

pith:1999:FYPKLJXME3UDX3RLQ2LPCUVC52

not attested not anchored not stored refs pending

Mid-Infrared Spectra of Be Stars

J.D. Smith, J.R. Houck, S.A. Rinehart

arxiv:astro-ph/9910185 v1 · 1999-10-11 · 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{FYPKLJXME3UDX3RLQ2LPCUVC52}

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	2026-05-18T01:07:35.952847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e1ea5a6ec26e83bee2b8696f152a2eea803936098e3b6e72166be35c4fcaec4

Aliases

arxiv: astro-ph/9910185 · arxiv_version: astro-ph/9910185v1 · doi: 10.48550/arxiv.astro-ph/9910185 · pith_short_12: FYPKLJXME3UD · pith_short_16: FYPKLJXME3UDX3RL · pith_short_8: FYPKLJXM

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/FYPKLJXME3UDX3RLQ2LPCUVC52 \
  | 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: 2e1ea5a6ec26e83bee2b8696f152a2eea803936098e3b6e72166be35c4fcaec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "049ea60e1f340d2882df9c118897e2cc4ad0a0ccea33371654cc9ba7a343fd49",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-11T13:08:59Z",
    "title_canon_sha256": "5a8b49ffa8bb0d5fd5f06944458e9820d2c497454094b07646fcd903e4bdebb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910185",
    "kind": "arxiv",
    "version": 1
  }
}