Pith Number

pith:O6WWJXZC

pith:2016:O6WWJXZC2WJMRKKRIYXECTIX7Y

not attested not anchored not stored refs pending

Thermal tomography with unknown boundary

Lauri Mustonen, Nuutti Hyv\"onen

arxiv:1611.06862 v2 · 2016-11-21 · 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{O6WWJXZC2WJMRKKRIYXECTIX7Y}

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	2026-05-18T00:39:47.162591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77ad64df22d592c8a951462e414d17fe2eaee258091dec00ed9e145644f036de

Aliases

arxiv: 1611.06862 · arxiv_version: 1611.06862v2 · doi: 10.48550/arxiv.1611.06862 · pith_short_12: O6WWJXZC2WJM · pith_short_16: O6WWJXZC2WJMRKKR · pith_short_8: O6WWJXZC

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/O6WWJXZC2WJMRKKRIYXECTIX7Y \
  | 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: 77ad64df22d592c8a951462e414d17fe2eaee258091dec00ed9e145644f036de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dab53c68687d48a79d6b4e4d1393979a5f20d595adb8c3c8991d60a7bb7817b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-21T16:02:43Z",
    "title_canon_sha256": "14fb2cbc18e6449b6344c8babb69f7bdcb8a17294362cf0d40cf612362af022c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06862",
    "kind": "arxiv",
    "version": 2
  }
}