Pith Number

pith:CTKP7A4A

pith:2012:CTKP7A4AEIY2K4TWYXT37ZXEWX

not attested not anchored not stored refs pending

Observation of a Phase Transition at 55 K in Single-Crystal CaCu1.7As2

D. C. johnston, V. K. Anand

arxiv:1207.5057 v3 · 2012-07-20 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CTKP7A4AEIY2K4TWYXT37ZXEWX}

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	2026-05-18T03:15:43.827892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14d4ff83802231a57276c5e7bfe6e4b5c54ed88b5106dc2c2fbe5b8ec1175f11

Aliases

arxiv: 1207.5057 · arxiv_version: 1207.5057v3 · doi: 10.48550/arxiv.1207.5057 · pith_short_12: CTKP7A4AEIY2 · pith_short_16: CTKP7A4AEIY2K4TW · pith_short_8: CTKP7A4A

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/CTKP7A4AEIY2K4TWYXT37ZXEWX \
  | 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: 14d4ff83802231a57276c5e7bfe6e4b5c54ed88b5106dc2c2fbe5b8ec1175f11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52c7c1c2160d08b85985c877943ae0e8e407964afcbce82e55398cc771fe2902",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-07-20T20:42:24Z",
    "title_canon_sha256": "7d34e80bf6c993e4e76e38a8f689917d979282682d226ad71bdf81d7f1ef258a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5057",
    "kind": "arxiv",
    "version": 3
  }
}