Pith Number

pith:2I3F3REA

pith:2016:2I3F3REABSRSAPU2DWRXGJJVRG

not attested not anchored not stored refs pending

Analysis of Carrier's problem

P. E. Farrell, S. J. Chapman

arxiv:1609.08842 v1 · 2016-09-28 · math.CA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2I3F3REABSRSAPU2DWRXGJJVRG}

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	2026-05-18T01:03:41.759693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2365dc4800ca3203e9a1da37325358986074808b267706f3d5a5b2332e3f7a9

Aliases

arxiv: 1609.08842 · arxiv_version: 1609.08842v1 · doi: 10.48550/arxiv.1609.08842 · pith_short_12: 2I3F3REABSRS · pith_short_16: 2I3F3REABSRSAPU2 · pith_short_8: 2I3F3REA

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/2I3F3REABSRSAPU2DWRXGJJVRG \
  | 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: d2365dc4800ca3203e9a1da37325358986074808b267706f3d5a5b2332e3f7a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbf118c7da4b94f7447ee73ecd76e0a314cc76676c5931ede1d714fa7c7e5dad",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-09-28T09:50:14Z",
    "title_canon_sha256": "e60a2523a2c27b64d3bb458b57dce8b7919ba6c0c8c253606c929836646e7f99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.08842",
    "kind": "arxiv",
    "version": 1
  }
}