Pith Number

pith:7SXTTLJ4

pith:2013:7SXTTLJ4LXZR6AKALDUL6LFPYP

not attested not anchored not stored refs pending

Practices in source code sharing in astrophysics

(2) Middle Tennessee State University, (3) Astrophysics Source Code Library, (4) Infrared Processing, (5) University of Maryland, (6) Michigan Technological University, (7) Harvard-Smithsonian Center for Astrophysics, (8) Space Telescope Science Institute), Alice Allen (3), Analysis Center, Bruce Berriman (4), California Institute of Technology, Jessica Mink (7), John F. Wallin (2), Kimberly DuPrie (3) ((1) Lawrence Technological University, Lior Shamir (1), Peter Teuben (5), Robert J. Hanisch (8), Robert J. Nemiroff (6)

arxiv:1304.6780 v1 · 2013-04-25 · astro-ph.IM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SXTTLJ4LXZR6AKALDUL6LFPYP}

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	2026-05-18T03:27:11.911020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcaf39ad3c5df31f014058e8bf2cafc3f9ed51b6b344a7683052e0b67fe13c58

Aliases

arxiv: 1304.6780 · arxiv_version: 1304.6780v1 · doi: 10.48550/arxiv.1304.6780 · pith_short_12: 7SXTTLJ4LXZR · pith_short_16: 7SXTTLJ4LXZR6AKA · pith_short_8: 7SXTTLJ4

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/7SXTTLJ4LXZR6AKALDUL6LFPYP \
  | 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: fcaf39ad3c5df31f014058e8bf2cafc3f9ed51b6b344a7683052e0b67fe13c58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ee7119e7e8974456d2d3b3985f608162502b529905ddf425cc8444cf4bb2c9b",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-04-25T00:35:14Z",
    "title_canon_sha256": "a5ca32c44daeae9e44f535067f823ba11b7005def00228d75ad8eb22e9c049f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6780",
    "kind": "arxiv",
    "version": 1
  }
}