Pith Number

pith:3GXCFX6G

pith:2020:3GXCFX6GYYSTXELLMSB4LCCS27

not attested not anchored not stored refs pending

Stable Facts, Relative Facts

Andrea Di Biagio, Carlo Rovelli

arxiv:2006.15543 v3 · 2020-06-28 · quant-ph · physics.hist-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{3GXCFX6GYYSTXELLMSB4LCCS27}

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	2026-07-05T02:18:53.253484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9ae22dfc6c6253b916b6483c58852d7f93c27843b51e9307282880bd3a05f01

Aliases

arxiv: 2006.15543 · arxiv_version: 2006.15543v3 · doi: 10.48550/arxiv.2006.15543 · pith_short_12: 3GXCFX6GYYST · pith_short_16: 3GXCFX6GYYSTXELL · pith_short_8: 3GXCFX6G

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/3GXCFX6GYYSTXELLMSB4LCCS27 \
  | 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: d9ae22dfc6c6253b916b6483c58852d7f93c27843b51e9307282880bd3a05f01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f43ecca6a970748488c93d4451bda97525e1512206cf298c0716a8180a5560a",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-06-28T08:43:37Z",
    "title_canon_sha256": "df42f11c7a58d77e2450347f81089b21169e93aa13634d82186a21bbb608ac27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.15543",
    "kind": "arxiv",
    "version": 3
  }
}