Pith Number

pith:A2M4N6RR

pith:2018:A2M4N6RRLZ7Z6EXBNZGZ4KEBUC

not attested not anchored not stored refs pending

Reconstruction algorithms for photoacoustic tomography in heterogenous damping media

Linh V. Nguyen, Markus Haltmeier

arxiv:1808.06176 v1 · 2018-08-19 · math.AP · 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{A2M4N6RRLZ7Z6EXBNZGZ4KEBUC}

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	2026-05-18T00:07:45.824285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0699c6fa315e7f9f12e16e4d9e2881a096f28ba9069adf402bbd52ce2b5f4ab0

Aliases

arxiv: 1808.06176 · arxiv_version: 1808.06176v1 · doi: 10.48550/arxiv.1808.06176 · pith_short_12: A2M4N6RRLZ7Z · pith_short_16: A2M4N6RRLZ7Z6EXB · pith_short_8: A2M4N6RR

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/A2M4N6RRLZ7Z6EXBNZGZ4KEBUC \
  | 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: 0699c6fa315e7f9f12e16e4d9e2881a096f28ba9069adf402bbd52ce2b5f4ab0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245fe7698cd491719ca6bbba40d86950f3129c427cad216e69fa563f595917c3",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-08-19T07:09:56Z",
    "title_canon_sha256": "776f9450973e0b2dddeb80f2bb9501107def63a36432a04c97d90562388bae8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06176",
    "kind": "arxiv",
    "version": 1
  }
}