Pith Number

pith:VEJ72KLD

pith:2017:VEJ72KLDM6JSD2WX7UWAMKMZZF

not attested not anchored not stored refs pending

A Truly Conformable Calculus on Time Scales

Ahmed Hammoudi, Benaoumeur Bayour, Delfim F. M. Torres

arxiv:1705.08928 v1 · 2017-05-24 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEJ72KLDM6JSD2WX7UWAMKMZZF}

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	2026-05-18T00:26:36.993668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a913fd2963679321ead7fd2c062999c95ae3f77b031f5231b8ab9cc64da3b64f

Aliases

arxiv: 1705.08928 · arxiv_version: 1705.08928v1 · doi: 10.48550/arxiv.1705.08928 · pith_short_12: VEJ72KLDM6JS · pith_short_16: VEJ72KLDM6JSD2WX · pith_short_8: VEJ72KLD

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/VEJ72KLDM6JSD2WX7UWAMKMZZF \
  | 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: a913fd2963679321ead7fd2c062999c95ae3f77b031f5231b8ab9cc64da3b64f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9be7672dccd9512e866d1b33b51d856c9a2185a1a18529e48b6cecc8e5316c20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-05-24T18:59:24Z",
    "title_canon_sha256": "86ba401d8c5d3240055b3c3ff438532ce03f0b3660bfdf3c6377eaea415f364a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08928",
    "kind": "arxiv",
    "version": 1
  }
}