Pith Number

pith:SPWYOCVD

pith:2012:SPWYOCVDUHOAHFTE6F3MVI2774

not attested not anchored not stored refs pending

Real Analysis in Reverse

James Propp

arxiv:1204.4483 v4 · 2012-04-19 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPWYOCVDUHOAHFTE6F3MVI2774}

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	2026-05-18T03:34:25.527392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93ed870aa3a1dc039664f176caa35fff3297578f8c5a953a3fa62ea4e09741af

Aliases

arxiv: 1204.4483 · arxiv_version: 1204.4483v4 · doi: 10.48550/arxiv.1204.4483 · pith_short_12: SPWYOCVDUHOA · pith_short_16: SPWYOCVDUHOAHFTE · pith_short_8: SPWYOCVD

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/SPWYOCVDUHOAHFTE6F3MVI2774 \
  | 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: 93ed870aa3a1dc039664f176caa35fff3297578f8c5a953a3fa62ea4e09741af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cd20bd51a638088c1e714b3d807c6893f9fd1fcc1c0449eb4729dd33b774162",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2012-04-19T22:05:24Z",
    "title_canon_sha256": "713e271f0139952a0c74dc83ecf6c21c6b123b4b570306cd33cfc0c209eb4ca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4483",
    "kind": "arxiv",
    "version": 4
  }
}