Pith Number

pith:B2A5RESC

pith:2019:B2A5RESC636P4AJQ43LZF62BST

not attested not anchored not stored refs pending

Impact of anharmonicity on sound wave velocities at extreme conditions

Olle Hellman, S. I. Simak

arxiv:1908.10927 v1 · 2019-08-28 · 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{B2A5RESC636P4AJQ43LZF62BST}

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	2026-07-05T00:00:28.687915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e81d89242f6fcfe0130e6d792fb4194f83c655d7f6ede3d81fb25007ebe9674

Aliases

arxiv: 1908.10927 · arxiv_version: 1908.10927v1 · doi: 10.48550/arxiv.1908.10927 · pith_short_12: B2A5RESC636P · pith_short_16: B2A5RESC636P4AJQ · pith_short_8: B2A5RESC

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/B2A5RESC636P4AJQ43LZF62BST \
  | 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: 0e81d89242f6fcfe0130e6d792fb4194f83c655d7f6ede3d81fb25007ebe9674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f149e9768e0372c591f53c2402350a55c33b48e27411221f71973c4c660a479",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-08-28T19:58:29Z",
    "title_canon_sha256": "326bfb25debe693063558597187cec09972df4432d0902343608ad1d20fdc172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.10927",
    "kind": "arxiv",
    "version": 1
  }
}