Pith Number

pith:YQAM4MOE

pith:2011:YQAM4MOEMY3VXI5I7LEAHBBSGD

not attested not anchored not stored refs pending

Comment on "Uncovering the Complex Behavior of Hydrogen in Cu2O"

D. J. Singh, J. T. -Thienprasert, K. Biswas, M. -H. Du, S. Limpijumnong

arxiv:1112.4840 v1 · 2011-12-20 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YQAM4MOEMY3VXI5I7LEAHBBSGD}

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	2026-05-18T04:05:57.086687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c400ce31c466375ba3a8fac803843230fae920020df6d464f8cd336903b3bc42

Aliases

arxiv: 1112.4840 · arxiv_version: 1112.4840v1 · doi: 10.48550/arxiv.1112.4840 · pith_short_12: YQAM4MOEMY3V · pith_short_16: YQAM4MOEMY3VXI5I · pith_short_8: YQAM4MOE

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/YQAM4MOEMY3VXI5I7LEAHBBSGD \
  | 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: c400ce31c466375ba3a8fac803843230fae920020df6d464f8cd336903b3bc42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "442c2ef8c95fef96b818b00154a332f23649c943f31adfbf282acee5fd1d660f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-12-20T14:48:58Z",
    "title_canon_sha256": "a33732df2e43808d7698ecb397d2eb5a8db0b2e92877c6ec7f58de7d028b2aba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4840",
    "kind": "arxiv",
    "version": 1
  }
}