Pith Number

pith:J2PZKQXS

pith:2017:J2PZKQXSF2OD72WFTYVNCMB4NP

not attested not anchored not stored refs pending

Universal Behaviors of Speed of Sound from Holography

Pei-Hung Yuan, Yi Yang

arxiv:1705.07587 v1 · 2017-05-22 · hep-th · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J2PZKQXSF2OD72WFTYVNCMB4NP}

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	2026-05-18T00:12:56.885538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e9f9542f22e9c3feac59e2ad1303c6bf5ddd80e07b7f102c1e0d03f1b6b375a

Aliases

arxiv: 1705.07587 · arxiv_version: 1705.07587v1 · doi: 10.48550/arxiv.1705.07587 · pith_short_12: J2PZKQXSF2OD · pith_short_16: J2PZKQXSF2OD72WF · pith_short_8: J2PZKQXS

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/J2PZKQXSF2OD72WFTYVNCMB4NP \
  | 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: 4e9f9542f22e9c3feac59e2ad1303c6bf5ddd80e07b7f102c1e0d03f1b6b375a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed007bccc39484aba6de4662c987af3c2df48f6abd1e0734bf427d61e0d7187f",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-05-22T07:30:36Z",
    "title_canon_sha256": "a8ee2e5f8089817f8f06096d518f9fa34a01d21810c5254504a1a39a37e3710d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07587",
    "kind": "arxiv",
    "version": 1
  }
}