Pith Number

pith:BITXM5QX

pith:2017:BITXM5QX32N4CWK4LZKZTVY7GC

not attested not anchored not stored refs pending

Open Chemistry: RESTful Web APIs, JSON, NWChem and the Modern Web Application

Christopher J. Harris, Marcus D. Hanwell, Wibe A. de Jong

arxiv:1707.04330 v1 · 2017-07-13 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BITXM5QX32N4CWK4LZKZTVY7GC}

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	2026-05-18T00:40:18.621344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a27767617de9bc1595c5e5599d71f308c4156f1be1a239dc61554785794c8d7

Aliases

arxiv: 1707.04330 · arxiv_version: 1707.04330v1 · doi: 10.48550/arxiv.1707.04330 · pith_short_12: BITXM5QX32N4 · pith_short_16: BITXM5QX32N4CWK4 · pith_short_8: BITXM5QX

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/BITXM5QX32N4CWK4LZKZTVY7GC \
  | 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: 0a27767617de9bc1595c5e5599d71f308c4156f1be1a239dc61554785794c8d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c9255b3b71dfa8da73011db427fe7ccadb0012fd4b89552224e5a49eb32a7f5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-07-13T21:27:27Z",
    "title_canon_sha256": "7e200d39d2245210be521b3c9bc8287a25dc863aaf7868d5787a29518480b743"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04330",
    "kind": "arxiv",
    "version": 1
  }
}