Pith Number

pith:FSCOXXK2

pith:2014:FSCOXXK2OBF47E3FQS2CFTB2W4

not attested not anchored not stored refs pending

What superconducts in sulfur hydrides under pressure, and why

C.S. Hellberg, I.I. Mazin, M.D. Johannes, M.J. Mehl, N. Bernstein

arxiv:1501.00196 v1 · 2014-12-31 · cond-mat.supr-con · 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{FSCOXXK2OBF47E3FQS2CFTB2W4}

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	2026-05-18T02:25:40.731344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c84ebdd5a704bcf936584b422cc3ab7057a76639df60a1df068d86cfc89d4e8

Aliases

arxiv: 1501.00196 · arxiv_version: 1501.00196v1 · doi: 10.48550/arxiv.1501.00196 · pith_short_12: FSCOXXK2OBF4 · pith_short_16: FSCOXXK2OBF47E3F · pith_short_8: FSCOXXK2

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/FSCOXXK2OBF47E3FQS2CFTB2W4 \
  | 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: 2c84ebdd5a704bcf936584b422cc3ab7057a76639df60a1df068d86cfc89d4e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88a0589cc7ce8fee359ac3b9caa6b171adeae1fe4fe4d1d0899d558b3d51c861",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2014-12-31T19:27:27Z",
    "title_canon_sha256": "10ec78a42051e01c1e19ee5c859d5a439358b65bc40aa8d1576c41e4f1d20242"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00196",
    "kind": "arxiv",
    "version": 1
  }
}