Pith Number

pith:TUPK4QFJ

pith:2016:TUPK4QFJI7JL7ULYK4ZJCG2ZKW

not attested not anchored not stored refs pending

Numerical proof of stability of viscous shock profiles

Blake Barker, Kevin Zumbrun

arxiv:1601.00837 v1 · 2016-01-05 · 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{TUPK4QFJI7JL7ULYK4ZJCG2ZKW}

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	2026-05-18T01:23:21.546869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d1eae40a947d2bfd1785732911b595598295d48ca00031d26c1033ee5c91f5c

Aliases

arxiv: 1601.00837 · arxiv_version: 1601.00837v1 · doi: 10.48550/arxiv.1601.00837 · pith_short_12: TUPK4QFJI7JL · pith_short_16: TUPK4QFJI7JL7ULY · pith_short_8: TUPK4QFJ

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/TUPK4QFJI7JL7ULYK4ZJCG2ZKW \
  | 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: 9d1eae40a947d2bfd1785732911b595598295d48ca00031d26c1033ee5c91f5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fe602db31504bcbde5ffd79139d04e536f651d472234eee4fd63670a3ebe6e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-01-05T14:29:55Z",
    "title_canon_sha256": "b76d888ba984ba0900e2c92188d6a0c00896a0a587eba03de4064a9656c49479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00837",
    "kind": "arxiv",
    "version": 1
  }
}