Pith Number

pith:NT4GJD4C

pith:2015:NT4GJD4CJUFXDORGOQJQ6Q3Q4V

not attested not anchored not stored refs pending

Solutions for linear conservation laws with gradient constraints

Jos\'e Francisco Rodrigues, Lisa Santos

arxiv:1502.00796 v1 · 2015-02-03 · 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{NT4GJD4CJUFXDORGOQJQ6Q3Q4V}

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	2026-05-18T02:28:04.273762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cf8648f824d0b71ba2674130f4370e54e383cdc68e89fb93c879ebd035321c7

Aliases

arxiv: 1502.00796 · arxiv_version: 1502.00796v1 · doi: 10.48550/arxiv.1502.00796 · pith_short_12: NT4GJD4CJUFX · pith_short_16: NT4GJD4CJUFXDORG · pith_short_8: NT4GJD4C

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/NT4GJD4CJUFXDORGOQJQ6Q3Q4V \
  | 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: 6cf8648f824d0b71ba2674130f4370e54e383cdc68e89fb93c879ebd035321c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17e4ff8f87bb2ae8d3100aceed1a5248b956e7ab92285819de802941bfb395cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-02-03T10:01:26Z",
    "title_canon_sha256": "06e933f9938e602444785e5fb563aeb2f31e224cfe1a24d82fddbdc36b66951f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00796",
    "kind": "arxiv",
    "version": 1
  }
}