Pith Number

pith:H2MUBI2M

pith:2006:H2MUBI2MZY4RRBZ4SXMBTIU2RI

not attested not anchored not stored refs pending

Rainbow universe

Yi Ling

arxiv:gr-qc/0609129 v1 · 2006-09-28 · 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{H2MUBI2MZY4RRBZ4SXMBTIU2RI}

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	2026-07-04T15:45:34.622676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e9940a34cce3918873c95d819a29a8a1794045f6449b784943d98a9856caace

Aliases

arxiv: gr-qc/0609129 · arxiv_version: gr-qc/0609129v1 · doi: 10.48550/arxiv.gr-qc/0609129 · pith_short_12: H2MUBI2MZY4R · pith_short_16: H2MUBI2MZY4RRBZ4 · pith_short_8: H2MUBI2M

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/H2MUBI2MZY4RRBZ4SXMBTIU2RI \
  | 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: 3e9940a34cce3918873c95d819a29a8a1794045f6449b784943d98a9856caace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bc171ac402fe7dfdaef94be8e0b4ed326f4ed3eb78f589a698b024cdf2a75eb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-09-28T12:22:54Z",
    "title_canon_sha256": "9e47df400eeecbc2eb7582d3e1b7552a0cd591dddb3804f76175a4f67c923182"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0609129",
    "kind": "arxiv",
    "version": 1
  }
}