Pith Number

pith:DTSGZ6TD

pith:2013:DTSGZ6TDEFURJNXKX2GRPTB7FC

not attested not anchored not stored refs pending

Two-phase entropy solutions of forward-backward parabolic problems with unstable phase

Andrea Terracina

arxiv:1310.7728 v1 · 2013-10-29 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTSGZ6TDEFURJNXKX2GRPTB7FC}

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	2026-05-17T23:39:42.529399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ce46cfa63216914b6eabe8d17cc3f28880d13e28bde8ac66523039d69de97d1

Aliases

arxiv: 1310.7728 · arxiv_version: 1310.7728v1 · doi: 10.48550/arxiv.1310.7728 · pith_short_12: DTSGZ6TDEFUR · pith_short_16: DTSGZ6TDEFURJNXK · pith_short_8: DTSGZ6TD

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/DTSGZ6TDEFURJNXKX2GRPTB7FC \
  | 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: 1ce46cfa63216914b6eabe8d17cc3f28880d13e28bde8ac66523039d69de97d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b234aa106650d0e708650de6654273b82bf4ae53d1bac5a63f0cfe474db0a344",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-10-29T09:44:09Z",
    "title_canon_sha256": "b62edb6dfdf89cb52d76d4c4ef76fbc8990ca498b44a173a64ecc581756a8f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7728",
    "kind": "arxiv",
    "version": 1
  }
}