Pith Number

pith:MT4UBKY7

pith:2011:MT4UBKY75SWEMMRIZHJN7G3WRP

not attested not anchored not stored refs pending

Conditioning bounds for traveltime tomography in layered media

Hyoungsu Baek, Laurent Demanet

arxiv:1110.3370 v1 · 2011-10-15 · math.DG · 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{MT4UBKY75SWEMMRIZHJN7G3WRP}

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	2026-05-18T02:00:12.053171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64f940ab1fecac463228c9d2df9b768bc24ef2afcc532ee2b4453c53eea5b5a0

Aliases

arxiv: 1110.3370 · arxiv_version: 1110.3370v1 · doi: 10.48550/arxiv.1110.3370 · pith_short_12: MT4UBKY75SWE · pith_short_16: MT4UBKY75SWEMMRI · pith_short_8: MT4UBKY7

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/MT4UBKY75SWEMMRIZHJN7G3WRP \
  | 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: 64f940ab1fecac463228c9d2df9b768bc24ef2afcc532ee2b4453c53eea5b5a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa2ff7a0b125dab6dfa3fa245084943edbe0bec65341a746c0acd6a88ab40609",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-10-15T00:57:01Z",
    "title_canon_sha256": "7a8b10f52e808d3aab2599e08c095e78f2e921f13021267e67b11e3d99a469c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3370",
    "kind": "arxiv",
    "version": 1
  }
}