Pith Number

pith:AXV4OBL3

pith:2015:AXV4OBL3673NHN2SWITMTBULV6

not attested not anchored not stored refs pending

Isentropic Fluid Dynamics in a Curved Pipe

Helge Holden, Rinaldo M. Colombo

arxiv:1511.01397 v1 · 2015-11-04 · 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{AXV4OBL3673NHN2SWITMTBULV6}

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	2026-05-18T01:00:40.230330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05ebc7057bf7f6d3b752b226c9868bafb9d8b703b09aa799f4f5319d2f77063b

Aliases

arxiv: 1511.01397 · arxiv_version: 1511.01397v1 · doi: 10.48550/arxiv.1511.01397 · pith_short_12: AXV4OBL3673N · pith_short_16: AXV4OBL3673NHN2S · pith_short_8: AXV4OBL3

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/AXV4OBL3673NHN2SWITMTBULV6 \
  | 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: 05ebc7057bf7f6d3b752b226c9868bafb9d8b703b09aa799f4f5319d2f77063b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "824814ade43da084e0e0701965cc196f5b6e6874900b0827e49c1196025f1b89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-11-04T17:03:05Z",
    "title_canon_sha256": "6821ec0d38028ac881f37859cfbae8cfa6643cea9634225da5221f774e9724bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01397",
    "kind": "arxiv",
    "version": 1
  }
}