Pith Number

pith:B5RERRXM

pith:2012:B5RERRXMP3VJ2FJNCUED7XCJX7

not attested not anchored not stored refs pending

On the solvability of of some partial differential inequality

Martin Himmel

arxiv:1210.2545 v2 · 2012-10-09 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5RERRXMP3VJ2FJNCUED7XCJX7}

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	2026-05-18T03:33:25.615356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f6248c6ec7eea9d152d15083fdc49bfd009e1d14eb6259de1d7a7ba95e5d82e

Aliases

arxiv: 1210.2545 · arxiv_version: 1210.2545v2 · doi: 10.48550/arxiv.1210.2545 · pith_short_12: B5RERRXMP3VJ · pith_short_16: B5RERRXMP3VJ2FJN · pith_short_8: B5RERRXM

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/B5RERRXMP3VJ2FJNCUED7XCJX7 \
  | 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: 0f6248c6ec7eea9d152d15083fdc49bfd009e1d14eb6259de1d7a7ba95e5d82e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42baf6823912bc374e559ab02dc2950a417cf7becaad35f71208beb1904024c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-10-09T10:01:34Z",
    "title_canon_sha256": "b3343aad288c22ea7e631bab453301801517908719235f28a5c35b597f0b3853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2545",
    "kind": "arxiv",
    "version": 2
  }
}