Pith Number

pith:QSBJFKZL

pith:2016:QSBJFKZL2KSL3EWVPTDN2RZYYA

not attested not anchored not stored refs pending

Accelerated Fitting of Stellar Spectra

Charlie Conroy, Hans-Walter Rix, Yuan-Sen Ting

arxiv:1602.06947 v2 · 2016-02-22 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSBJFKZL2KSL3EWVPTDN2RZYYA}

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	2026-05-18T01:10:37.934291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

848292ab2bd2a4bd92d57cc6dd4738c039852171c0f767c2de4b8e496320d3ee

Aliases

arxiv: 1602.06947 · arxiv_version: 1602.06947v2 · doi: 10.48550/arxiv.1602.06947 · pith_short_12: QSBJFKZL2KSL · pith_short_16: QSBJFKZL2KSL3EWV · pith_short_8: QSBJFKZL

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/QSBJFKZL2KSL3EWVPTDN2RZYYA \
  | 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: 848292ab2bd2a4bd92d57cc6dd4738c039852171c0f767c2de4b8e496320d3ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e08c2e7e6ba68c74081c587d38ad54781071dffb36cd7d783daf68f1b9319501",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-02-22T21:00:00Z",
    "title_canon_sha256": "a44950cf6a01d2b6b983caf20f52ba2835eadd8af9c6cd52abf76a40b892dfa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06947",
    "kind": "arxiv",
    "version": 2
  }
}