Pith Number

pith:NBJVH7AH

pith:2017:NBJVH7AHVVRUL5A2BVFNRWAESC

not attested not anchored not stored refs pending

Global regularity of two-dimensional flocking hydrodynamics

Eitan Tadmor, Siming He

arxiv:1702.07535 v1 · 2017-02-24 · 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{NBJVH7AHVVRUL5A2BVFNRWAESC}

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	2026-05-18T00:50:03.000777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

685353fc07ad6345f41a0d4ad8d80490a3c4f1e477b4ef44fa49120204994b63

Aliases

arxiv: 1702.07535 · arxiv_version: 1702.07535v1 · doi: 10.48550/arxiv.1702.07535 · pith_short_12: NBJVH7AHVVRU · pith_short_16: NBJVH7AHVVRUL5A2 · pith_short_8: NBJVH7AH

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/NBJVH7AHVVRUL5A2BVFNRWAESC \
  | 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: 685353fc07ad6345f41a0d4ad8d80490a3c4f1e477b4ef44fa49120204994b63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67e83b633b516f47ff87cb63ec44b401c3d52e62d97a0f1c93ce64ae29c57aa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-02-24T10:56:10Z",
    "title_canon_sha256": "974f04403e1abe8a73899b49206d9edadd82c06a11cae03a81cfebbf48a46a35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07535",
    "kind": "arxiv",
    "version": 1
  }
}