Pith Number

pith:PG3E6DXY

pith:2017:PG3E6DXYQQA2R4X6XBFU35D7ML

not attested not anchored not stored refs pending

An asymptotic preserving mixed finite element method for wave propagation in pipelines

Herbert Egger, Thomas Kugler

arxiv:1701.04011 v2 · 2017-01-15 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PG3E6DXYQQA2R4X6XBFU35D7ML}

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	2026-05-18T00:46:13.178733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79b64f0ef88401a8f2feb84b4df47f62cbd15b796a0d1e929002d6d874a98996

Aliases

arxiv: 1701.04011 · arxiv_version: 1701.04011v2 · doi: 10.48550/arxiv.1701.04011 · pith_short_12: PG3E6DXYQQA2 · pith_short_16: PG3E6DXYQQA2R4X6 · pith_short_8: PG3E6DXY

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/PG3E6DXYQQA2R4X6XBFU35D7ML \
  | 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: 79b64f0ef88401a8f2feb84b4df47f62cbd15b796a0d1e929002d6d874a98996

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72af2a1262f6a43a31c02428ed68f82fa5e604b50b61ed58a44ad8572d621a1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-01-15T09:34:21Z",
    "title_canon_sha256": "83291aa0a0c83ea4a5f12960b65a8ab25f31f0247bf27ed8ae47a713803ea33e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04011",
    "kind": "arxiv",
    "version": 2
  }
}