Pith Number

pith:MFO35Q2P

pith:2011:MFO35Q2PROBG72XDJQ66SIR5H6

not attested not anchored not stored refs pending

The Rise and Fall of the Ridge

Paul Sorensen

arxiv:1101.1925 v1 · 2011-01-10 · nucl-ex · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MFO35Q2PROBG72XDJQ66SIR5H6}

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	2026-05-18T02:22:59.162276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

615dbec34f8b826feae34c3de9223d3f8e1df0f955bc6e1dc0b08366dc41b2be

Aliases

arxiv: 1101.1925 · arxiv_version: 1101.1925v1 · doi: 10.48550/arxiv.1101.1925 · pith_short_12: MFO35Q2PROBG · pith_short_16: MFO35Q2PROBG72XD · pith_short_8: MFO35Q2P

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/MFO35Q2PROBG72XDJQ66SIR5H6 \
  | 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: 615dbec34f8b826feae34c3de9223d3f8e1df0f955bc6e1dc0b08366dc41b2be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ef37ca5b8cb6a3dc4e0f53d102fffe10f43a9675e957484ca1d30ee1197e0c2",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2011-01-10T18:50:36Z",
    "title_canon_sha256": "9baacc5e19725602f855d40444b26c1665933cccedb8ecc1f825ed7bc636eb70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1925",
    "kind": "arxiv",
    "version": 1
  }
}