Pith Number

pith:FUQ62QBE

pith:2015:FUQ62QBE2K7UVXUO4VWM5YZLOJ

not attested not anchored not stored refs pending

Improving Software Citation and Credit

Alice Allen, G. Bruce Berriman, Jessica Mink, John Wallin, Keith Shortridge, Kimberly DuPrie, Lior Shamir, Mark Taylor, Peter Teuben, Robert Nemiroff, Thomas Robitaille

arxiv:1512.07919 v1 · 2015-12-24 · cs.DL · 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{FUQ62QBE2K7UVXUO4VWM5YZLOJ}

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	2026-05-18T01:23:43.938930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d21ed4024d2bf4ade8ee56ccee32b7274496d5529a67439dcea15039b011c39

Aliases

arxiv: 1512.07919 · arxiv_version: 1512.07919v1 · doi: 10.48550/arxiv.1512.07919 · pith_short_12: FUQ62QBE2K7U · pith_short_16: FUQ62QBE2K7UVXUO · pith_short_8: FUQ62QBE

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/FUQ62QBE2K7UVXUO4VWM5YZLOJ \
  | 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: 2d21ed4024d2bf4ade8ee56ccee32b7274496d5529a67439dcea15039b011c39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c09fdd95e98c6fa7b4c78ed2e765d2db167472c14683c8d6b35b8772bc6b83c",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2015-12-24T21:01:08Z",
    "title_canon_sha256": "60ad7ff1d13bb09782e7f7ac10a453d161511c8bb366736f36c5e9909a3c8c8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07919",
    "kind": "arxiv",
    "version": 1
  }
}