Pith Number

pith:33ALZFJG

pith:2011:33ALZFJG553BFJQQMTKPHCYG3Z

not attested not anchored not stored refs pending

Comments on: "Starting solutions for some unsteady unidirectional flows of a second grade fluid," [Int. J. Eng. Sci. 43 (2005) 781]

Ivan C. Christov, P.M. Jordan

arxiv:1111.4464 v1 · 2011-11-18 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33ALZFJG553BFJQQMTKPHCYG3Z}

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	2026-05-18T04:06:07.465252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dec0bc9526ef7612a61064d4f38b06de4975350ae36c8d8cec0226d1483961d0

Aliases

arxiv: 1111.4464 · arxiv_version: 1111.4464v1 · doi: 10.48550/arxiv.1111.4464 · pith_short_12: 33ALZFJG553B · pith_short_16: 33ALZFJG553BFJQQ · pith_short_8: 33ALZFJG

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/33ALZFJG553BFJQQMTKPHCYG3Z \
  | 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: dec0bc9526ef7612a61064d4f38b06de4975350ae36c8d8cec0226d1483961d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d814b76fdc08620fe7ff1f0495dd0389b0001da90d7c1a7c0835a3863499de2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2011-11-18T19:58:47Z",
    "title_canon_sha256": "dbd287fe58d2058617d14bb0c693eef3a9ce8c3b40b6d85f274c79abd00e0518"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4464",
    "kind": "arxiv",
    "version": 1
  }
}