Pith Number

pith:FD2JGULE

pith:2016:FD2JGULEIJPR6QNCJN4NOYUGTR

not attested not anchored not stored refs pending

Loss of derivatives for hyperbolic boundary problems with constant coefficients

Matthias Eller

arxiv:1610.00027 v1 · 2016-09-30 · 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{FD2JGULEIJPR6QNCJN4NOYUGTR}

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	2026-05-18T01:03:32.098274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28f4935164425f1f41a24b78d762869c4152da8f991229c6089a48caa060844c

Aliases

arxiv: 1610.00027 · arxiv_version: 1610.00027v1 · doi: 10.48550/arxiv.1610.00027 · pith_short_12: FD2JGULEIJPR · pith_short_16: FD2JGULEIJPR6QNC · pith_short_8: FD2JGULE

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/FD2JGULEIJPR6QNCJN4NOYUGTR \
  | 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: 28f4935164425f1f41a24b78d762869c4152da8f991229c6089a48caa060844c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c1227e5e829d6c9e904d2edf70bb18b491b7eacad3daacf03eb4c91685bcd5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-09-30T20:46:59Z",
    "title_canon_sha256": "716b96698495de40e8c58d01b2ca2d06795fc51d7b57af57a7d7f952a9e6bf52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.00027",
    "kind": "arxiv",
    "version": 1
  }
}