Pith Number

pith:PU5AL4DH

pith:2017:PU5AL4DH5CVEZZY47H6XJCF6Z4

not attested not anchored not stored refs pending

Measuring filament orientation: a new quantitative, local approach

C.-E. Green, G. Novak, J. R. Dawson, L. M. Fissel, M. R. Cunningham, P. A. Jones

arxiv:1708.01953 v1 · 2017-08-07 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PU5AL4DH5CVEZZY47H6XJCF6Z4}

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	2026-05-18T00:36:02.757091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d3a05f067e8aa4ce71cf9fd7488becf3a5f6c692b82ecccd8632853f9b3f76f

Aliases

arxiv: 1708.01953 · arxiv_version: 1708.01953v1 · doi: 10.48550/arxiv.1708.01953 · pith_short_12: PU5AL4DH5CVE · pith_short_16: PU5AL4DH5CVEZZY4 · pith_short_8: PU5AL4DH

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/PU5AL4DH5CVEZZY47H6XJCF6Z4 \
  | 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: 7d3a05f067e8aa4ce71cf9fd7488becf3a5f6c692b82ecccd8632853f9b3f76f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d43a491a1abb701d974f802ecccbf3c5ab56a3e3413cb4c5b2feeb780e9155a4",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-07T00:55:27Z",
    "title_canon_sha256": "1647ecb02257835f81953220cbe5e2815ca1993df9975354a01307ba9217c1b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.01953",
    "kind": "arxiv",
    "version": 1
  }
}