Pith Number

pith:IETXEFRQ

pith:2012:IETXEFRQOCVMIT5TBKDBMT2QXG

not attested not anchored not stored refs pending

Large-time behavior of solutions to evolution problems

A. G. Ramm

arxiv:1208.6462 v1 · 2012-08-31 · math.CA · math-ph · math.AP · math.DS · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IETXEFRQOCVMIT5TBKDBMT2QXG}

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	2026-05-18T03:46:32.980124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412772163070aac44fb30a86164f50b9998a698af6fa079060c698f49c4b2855

Aliases

arxiv: 1208.6462 · arxiv_version: 1208.6462v1 · doi: 10.48550/arxiv.1208.6462 · pith_short_12: IETXEFRQOCVM · pith_short_16: IETXEFRQOCVMIT5T · pith_short_8: IETXEFRQ

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/IETXEFRQOCVMIT5TBKDBMT2QXG \
  | 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: 412772163070aac44fb30a86164f50b9998a698af6fa079060c698f49c4b2855

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a9a828d6910d26f402c9681cd9214d5115b992a6ac1c78db1a6b7c94e4916f2",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2012-08-31T11:24:54Z",
    "title_canon_sha256": "1cb3517d511f853ebaa0a27ec1eab7b874696998a3100075bfea785bef1425c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6462",
    "kind": "arxiv",
    "version": 1
  }
}