Pith Number

pith:UNTAGJ7L

pith:2015:UNTAGJ7LPT5VCP6VXGF7UNH42Q

not attested not anchored not stored refs pending

Constructing solutions to the Bj\"orling problem for isothermic surfaces by structure preserving discretization

Daniel Matthes, Ulrike B\"ucking

arxiv:1506.07337 v1 · 2015-06-24 · math.DG · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UNTAGJ7LPT5VCP6VXGF7UNH42Q}

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	2026-06-04T17:09:21.690544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3660327eb7cfb513fd5b98bfa34fcd415493ab007fa1a64b3ce70ae21d7ff07

Aliases

arxiv: 1506.07337 · arxiv_version: 1506.07337v1 · doi: 10.48550/arxiv.1506.07337 · pith_short_12: UNTAGJ7LPT5V · pith_short_16: UNTAGJ7LPT5VCP6V · pith_short_8: UNTAGJ7L

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/UNTAGJ7LPT5VCP6VXGF7UNH42Q \
  | 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: a3660327eb7cfb513fd5b98bfa34fcd415493ab007fa1a64b3ce70ae21d7ff07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a74b736e563454f2e451d57f825427300bd9380d1cef14290a280691d314ad8f",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-06-24T12:17:10Z",
    "title_canon_sha256": "1288ae10a89aa0c5a80cb20821e158a5d655504140bf092c08b193f7c25df9cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07337",
    "kind": "arxiv",
    "version": 1
  }
}