Pith Number

pith:A75DE3P5

pith:2016:A75DE3P5V224D4OL5WSYTPANRL

not attested not anchored not stored refs pending

Anomalous Spectral Types and Intrinsic Colors of Young Stars

Mark J. Pecaut

arxiv:1607.03543 v1 · 2016-07-12 · 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{A75DE3P5V224D4OL5WSYTPANRL}

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	2026-05-18T01:11:07.705175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07fa326dfdaeb5c1f1cbeda589bc0d8aeccdede8078d915c0dfdd64754a71bb0

Aliases

arxiv: 1607.03543 · arxiv_version: 1607.03543v1 · doi: 10.48550/arxiv.1607.03543 · pith_short_12: A75DE3P5V224 · pith_short_16: A75DE3P5V224D4OL · pith_short_8: A75DE3P5

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/A75DE3P5V224D4OL5WSYTPANRL \
  | 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: 07fa326dfdaeb5c1f1cbeda589bc0d8aeccdede8078d915c0dfdd64754a71bb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32ce302446ce9947e5f325e625797d4a079b6a0c9d750690b7c76024be6f67a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-07-12T23:17:36Z",
    "title_canon_sha256": "fc37f6b535b7cece695212f3ce29b7a154913a6177a347a1bdb45c9a3247ce58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03543",
    "kind": "arxiv",
    "version": 1
  }
}