Pith Number

pith:DABYLOGY

pith:2026:DABYLOGYBBV4Y3R7BII6GBNUN2

not attested not anchored not stored refs pending

The contact temperature of arbitrary quantum states

Alain Joye, Marco Merkli

arxiv:2606.31969 v1 · 2026-06-30 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DABYLOGYBBV4Y3R7BII6GBNUN2}

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	2026-07-01T01:18:27.264985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

180385b8d8086bcc6e3f0a11e305b46ea68e642b9cb9c27b6f8b68481d72c080

Aliases

arxiv: 2606.31969 · arxiv_version: 2606.31969v1 · doi: 10.48550/arxiv.2606.31969 · pith_short_12: DABYLOGYBBV4 · pith_short_16: DABYLOGYBBV4Y3R7 · pith_short_8: DABYLOGY

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/DABYLOGYBBV4Y3R7BII6GBNUN2 \
  | 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: 180385b8d8086bcc6e3f0a11e305b46ea68e642b9cb9c27b6f8b68481d72c080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b65b6ecd82f2d3eee2048fdc7b4db70290279e1a2f689afcddf5c04200a4a82",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-30T17:11:32Z",
    "title_canon_sha256": "c354e1b3e12e0105718a659dcc5203c40d4015ee9ed5fd611214d526a8fd6728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31969",
    "kind": "arxiv",
    "version": 1
  }
}