Pith Number

pith:FGH4OSU3

pith:2024:FGH4OSU3KUPUTJNNKSOCAC2PFV

not attested not anchored not stored refs pending

Hydride superconductivity: here to stay, or to lead astray and soon go away?

J. E. Hirsch

arxiv:2501.01466 v2 · 2024-12-31 · 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{FGH4OSU3KUPUTJNNKSOCAC2PFV}

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	2026-07-05T10:49:50.252653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

298fc74a9b551f49a5ad549c200b4f2d54134ed2933b8b50acd81a34b3049eff

Aliases

arxiv: 2501.01466 · arxiv_version: 2501.01466v2 · doi: 10.48550/arxiv.2501.01466 · pith_short_12: FGH4OSU3KUPU · pith_short_16: FGH4OSU3KUPUTJNN · pith_short_8: FGH4OSU3

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/FGH4OSU3KUPUTJNNKSOCAC2PFV \
  | 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: 298fc74a9b551f49a5ad549c200b4f2d54134ed2933b8b50acd81a34b3049eff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b24be195330c22c4d76a1876d95f20b43fab8dbf5739fa4e941d1e970335dd29",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2024-12-31T18:57:10Z",
    "title_canon_sha256": "a7e2d1ec026c2a92d9605e277029d4edf19bff40f1878b8348e37ca007000aa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.01466",
    "kind": "arxiv",
    "version": 2
  }
}