Pith Number

pith:HCTFXGYN

pith:2015:HCTFXGYNONMGZTA3GGBXW7E6KY

not attested not anchored not stored refs pending

A Community Contribution Framework for Sharing Materials Data with Materials Project

Anubhav Jain, Dan Gunter, Donald Winston, Kristin Persson, Patrick Huck

arxiv:1510.05024 v1 · 2015-10-16 · 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{HCTFXGYNONMGZTA3GGBXW7E6KY}

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	2026-05-18T01:27:56.558608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38a65b9b0d73586ccc1b31837b7c9e563e14820edb999662bb27fd98598ef85b

Aliases

arxiv: 1510.05024 · arxiv_version: 1510.05024v1 · doi: 10.48550/arxiv.1510.05024 · pith_short_12: HCTFXGYNONMG · pith_short_16: HCTFXGYNONMGZTA3 · pith_short_8: HCTFXGYN

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/HCTFXGYNONMGZTA3GGBXW7E6KY \
  | 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: 38a65b9b0d73586ccc1b31837b7c9e563e14820edb999662bb27fd98598ef85b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4776a99bb104a08056cc22bc052e16c8e63ab23e3a1e273264e7e36475ce049",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-10-16T21:01:50Z",
    "title_canon_sha256": "47068c61533d285a6c032900ead1ac832e544523c343fb1c3dc0b91905c2effb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05024",
    "kind": "arxiv",
    "version": 1
  }
}