Pith Number

pith:F57DSFOX

pith:2018:F57DSFOXCOP7QTQCIROCD6KNV2

not attested not anchored not stored refs pending

Dissecting Apple's Meta-CDN during an iOS Update

Boris Koldehofe, Fabrice Bendfeldt, Ingmar Poese, Jeremias Blendin, Oliver Hohlfeld

arxiv:1810.02978 v1 · 2018-10-06 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F57DSFOXCOP7QTQCIROCD6KNV2}

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	2026-05-18T00:03:54.946610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7e3915d7139ff84e02445c21f94daeba4e6866d791fe759ed00fd18b0cf7b0

Aliases

arxiv: 1810.02978 · arxiv_version: 1810.02978v1 · doi: 10.48550/arxiv.1810.02978 · pith_short_12: F57DSFOXCOP7 · pith_short_16: F57DSFOXCOP7QTQC · pith_short_8: F57DSFOX

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/F57DSFOXCOP7QTQCIROCD6KNV2 \
  | 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: 2f7e3915d7139ff84e02445c21f94daeba4e6866d791fe759ed00fd18b0cf7b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71ca3a4a04fed04ca4da22fd2a3d439f6746da984eba0db77eca1e6bd6e18877",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2018-10-06T10:54:12Z",
    "title_canon_sha256": "3c97b3c4be01528c09f7d77399093513b32aadd45b1514941161f858a4019a31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02978",
    "kind": "arxiv",
    "version": 1
  }
}