Pith Number

pith:XS7TSWN4

pith:2017:XS7TSWN4M37NKS64YN65PZ7CMN

not attested not anchored not stored refs pending

The Astrophysics Source Code Library: What's new, what's coming

Alice Allen, G. Bruce Berriman, Jessica Mink, John Wallin, Judy Schmidt, Keith Shortridge, Kimberly DuPrie, Lior Shamir, Mark Taylor, Peter Teuben, P. Wesley Ryan, Rein H. Warmels, Robert Nemiroff

arxiv:1712.02973 v1 · 2017-12-08 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XS7TSWN4M37NKS64YN65PZ7CMN}

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	2026-05-18T00:28:28.749161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcbf3959bc66fed54bdcc37dd7e7e2637d15fe676fe235145221e0910b7ab969

Aliases

arxiv: 1712.02973 · arxiv_version: 1712.02973v1 · doi: 10.48550/arxiv.1712.02973 · pith_short_12: XS7TSWN4M37N · pith_short_16: XS7TSWN4M37NKS64 · pith_short_8: XS7TSWN4

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/XS7TSWN4M37NKS64YN65PZ7CMN \
  | 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: bcbf3959bc66fed54bdcc37dd7e7e2637d15fe676fe235145221e0910b7ab969

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf0bc55257a982e3dcfd05b3b3c0a204fea647e509ae2043f667cd40f8df153b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-12-08T07:48:53Z",
    "title_canon_sha256": "7e85b1a0544ca40dad1289db079409ce53be410168aa49263a5c415dbbd630a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.02973",
    "kind": "arxiv",
    "version": 1
  }
}