Pith Number

pith:UXBVPLZ4

pith:2013:UXBVPLZ4XKN56II6VR5U3OLMRS

not attested not anchored not stored refs pending

How to Scale a Code in the Human Dimension

Matthew J. Turk

arxiv:1301.7064 v1 · 2013-01-29 · astro-ph.IM · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXBVPLZ4XKN56II6VR5U3OLMRS}

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	2026-05-18T03:35:01.400600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5c357af3cba9bdf211eac7b4db96c8c90d6ff79de7fbf34e6d8d00349f4c5ce

Aliases

arxiv: 1301.7064 · arxiv_version: 1301.7064v1 · doi: 10.48550/arxiv.1301.7064 · pith_short_12: UXBVPLZ4XKN5 · pith_short_16: UXBVPLZ4XKN56II6 · pith_short_8: UXBVPLZ4

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/UXBVPLZ4XKN56II6VR5U3OLMRS \
  | 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: a5c357af3cba9bdf211eac7b4db96c8c90d6ff79de7fbf34e6d8d00349f4c5ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6400c976b72266ac559c05c2b8c3af0206efcffc9cb92822cd8358afcd17046d",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-01-29T21:00:01Z",
    "title_canon_sha256": "5423fbcc7ec22e89e422822f83dc68c0b584ce28a9ef2d387019ea5e966b2115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7064",
    "kind": "arxiv",
    "version": 1
  }
}