Pith Number

pith:IHTITFZ2

pith:2026:IHTITFZ2QNS6EIGNR3TCVH4Y4Z

not attested not anchored not stored refs pending

Flow in a porous non-axisymmetric annular conduit: Coupling wall compliance and peristalsis

Ivan C. Christov, Nishanth Surianarayanan

arxiv:2607.15239 v1 · 2026-07-16 · physics.flu-dyn · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHTITFZ2QNS6EIGNR3TCVH4Y4Z}

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	2026-07-17T01:22:16.191367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41e689973a8365e220cd8ee62a9f98e659f5071041f5169f3f2650bf05ca64c0

Aliases

arxiv: 2607.15239 · arxiv_version: 2607.15239v1 · doi: 10.48550/arxiv.2607.15239 · pith_short_12: IHTITFZ2QNS6 · pith_short_16: IHTITFZ2QNS6EIGN · pith_short_8: IHTITFZ2

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/IHTITFZ2QNS6EIGNR3TCVH4Y4Z \
  | 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: 41e689973a8365e220cd8ee62a9f98e659f5071041f5169f3f2650bf05ca64c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bedbea50859c917fcb7dd4feab2a4e53563a3f1269205121d6f1892d92834fed",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-07-16T17:36:09Z",
    "title_canon_sha256": "7dc9987d571e721d73a043b85df306436a4ac99f28f245e7822f95d6973fe253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.15239",
    "kind": "arxiv",
    "version": 1
  }
}