Pith Number

pith:VADFI2FE

pith:2022:VADFI2FEE66P4GWGDFY2RXOOGE

not attested not anchored not stored refs pending

pyspeckit: A spectroscopic analysis and plotting package

Adam Ginsburg, Brigitta M. Sip\H{o}cz, Erik Rosolowsky, Jaime E. Pineda, Jonathan D. Henshaw, Miguel de Val-Borro, Vlas Sokolov

arxiv:2205.04987 v1 · 2022-05-10 · astro-ph.IM · 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{VADFI2FEE66P4GWGDFY2RXOOGE}

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	2026-07-05T04:27:59.500120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8065468a427bcfe1ac61971a8ddce312a3e8105338580ce9a60e2c1b2ac164e

Aliases

arxiv: 2205.04987 · arxiv_version: 2205.04987v1 · doi: 10.48550/arxiv.2205.04987 · pith_short_12: VADFI2FEE66P · pith_short_16: VADFI2FEE66P4GWG · pith_short_8: VADFI2FE

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/VADFI2FEE66P4GWGDFY2RXOOGE \
  | 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: a8065468a427bcfe1ac61971a8ddce312a3e8105338580ce9a60e2c1b2ac164e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff697743a7d7bb6a25887c452a294fc362d794357dce85c0344145d64ce36909",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-05-10T15:46:05Z",
    "title_canon_sha256": "0f290766795ab00126ffc5139a42fe00f8a4ab0c4c7dedd6718c09fa2746fc8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.04987",
    "kind": "arxiv",
    "version": 1
  }
}