Pith Number

pith:CADX6JSS

pith:2016:CADX6JSSCZCE5KH5MV4SXD5ON4

not attested not anchored not stored refs pending

Special cases of the planar least gradient problem

Ahmad Sabra, Piotr Rybka, Wojciech G\'orny

arxiv:1605.00035 v2 · 2016-04-29 · 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{CADX6JSSCZCE5KH5MV4SXD5ON4}

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	2026-05-18T01:14:20.262518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10077f265216444ea8fd65792b8fae6f2f49b6ce5667fdeef7cf428ee601e5c8

Aliases

arxiv: 1605.00035 · arxiv_version: 1605.00035v2 · doi: 10.48550/arxiv.1605.00035 · pith_short_12: CADX6JSSCZCE · pith_short_16: CADX6JSSCZCE5KH5 · pith_short_8: CADX6JSS

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/CADX6JSSCZCE5KH5MV4SXD5ON4 \
  | 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: 10077f265216444ea8fd65792b8fae6f2f49b6ce5667fdeef7cf428ee601e5c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3859022bb8ae0bc1b2ad71399e38886866df68fac4aa2e86f9de59325c95e6f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-04-29T22:25:04Z",
    "title_canon_sha256": "0a7aa8dcbcc3f4d0afe7921054d91b9fc01f28e24a4de48a258f95752c1f1109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00035",
    "kind": "arxiv",
    "version": 2
  }
}