Pith Number

pith:APRA7SGD

pith:1995:APRA7SGDUT522BFRXJ3DTNBHMY

not attested not anchored not stored refs pending

Secondary analytic indices

John Lott

arxiv:dg-ga/9503005 v1 · 1995-03-13 · dg-ga · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APRA7SGDUT522BFRXJ3DTNBHMY}

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	2026-05-18T01:06:48.658705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03e20fc8c3a4fbad04b1ba7639b4276636c030832a65aec16cdbc338048d15d9

Aliases

arxiv: dg-ga/9503005 · arxiv_version: dg-ga/9503005v1 · doi: 10.48550/arxiv.dg-ga/9503005 · pith_short_12: APRA7SGDUT52 · pith_short_16: APRA7SGDUT522BFR · pith_short_8: APRA7SGD

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/APRA7SGDUT522BFRXJ3DTNBHMY \
  | 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: 03e20fc8c3a4fbad04b1ba7639b4276636c030832a65aec16cdbc338048d15d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4b872ac37ee253bcc962e5269dcefed6a724ff723a0d11a8636ae1e787641b0",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "dg-ga",
    "submitted_at": "1995-03-13T17:54:54Z",
    "title_canon_sha256": "3c802de40db2a5bfe765e16cada287839d1b0e14482d91696c418b131fcea4c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "dg-ga/9503005",
    "kind": "arxiv",
    "version": 1
  }
}