Pith Number

pith:ZCBJE7R6

pith:2021:ZCBJE7R6KDYGHEKRQ4T2QQMLVM

not attested not anchored not stored refs pending

HIVE-4-MAT: Advancing the Ontology Infrastructure for Materials Science

Jane Greenberg, Joan Boone, Joseph Adair, Xiaohua Tony Hu, Xintong Zhao

arxiv:2101.07960 v1 · 2021-01-20 · cs.DL · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCBJE7R6KDYGHEKRQ4T2QQMLVM}

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	2026-07-05T02:08:23.846728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c882927e3e50f06391518727a8418bab00ace661fddb66b2b68b42bdbb3d3b5a

Aliases

arxiv: 2101.07960 · arxiv_version: 2101.07960v1 · doi: 10.48550/arxiv.2101.07960 · pith_short_12: ZCBJE7R6KDYG · pith_short_16: ZCBJE7R6KDYGHEKR · pith_short_8: ZCBJE7R6

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/ZCBJE7R6KDYGHEKRQ4T2QQMLVM \
  | 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: c882927e3e50f06391518727a8418bab00ace661fddb66b2b68b42bdbb3d3b5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "387b5de4cf163ff20e2d5f370301251cfaa27c6b234a15a9230e0780d1acf337",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2021-01-20T04:40:09Z",
    "title_canon_sha256": "74eea7141737989951744551a0a1f77658e4b1a3f59cf8be2f8f349d478d7401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.07960",
    "kind": "arxiv",
    "version": 1
  }
}