Pith Number

pith:5RQXUIKD

pith:2017:5RQXUIKDFRZ63YEG5IMQR6GAAU

not attested not anchored not stored refs pending

Universal Formula for the Holographic Speed of Sound

Andres Anabalon, Dumitru Astefanesei, Robert Mann, Tomas Andrade

arxiv:1702.00017 v1 · 2017-01-31 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5RQXUIKDFRZ63YEG5IMQR6GAAU}

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	2026-05-18T00:15:24.606428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec617a21432c73ede086ea1908f8c0052ef6474a1d90f7257fe5b5110e1e2bd4

Aliases

arxiv: 1702.00017 · arxiv_version: 1702.00017v1 · doi: 10.48550/arxiv.1702.00017 · pith_short_12: 5RQXUIKDFRZ6 · pith_short_16: 5RQXUIKDFRZ63YEG · pith_short_8: 5RQXUIKD

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/5RQXUIKDFRZ63YEG5IMQR6GAAU \
  | 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: ec617a21432c73ede086ea1908f8c0052ef6474a1d90f7257fe5b5110e1e2bd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "167d4ae88447c5ee9210db0fa69315d79698c6de2189e43451c6904f32c069a2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-01-31T19:01:17Z",
    "title_canon_sha256": "078f84d5631845ce523d70a1bff25ef12df534820c5b4ff44964fabe8e3e1e8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00017",
    "kind": "arxiv",
    "version": 1
  }
}