Pith Number

pith:Q7IN2ZWM

pith:2025:Q7IN2ZWMP66DA6ZK2NAFGEYLJX

not attested not anchored not stored refs pending

Context-Aware Search and Retrieval Over Erasure Channels

J\"org Kliewer, Sara Ghasvarianjahromi, Yauhen Yakimenka

arxiv:2507.11894 v1 · 2025-07-16 · cs.IR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7IN2ZWMP66DA6ZK2NAFGEYLJX}

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	2026-07-05T11:37:52.950531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87d0dd66cc7fbc307b2ad34053130b4dd06814bf04fef0afa17613eae076e2d5

Aliases

arxiv: 2507.11894 · arxiv_version: 2507.11894v1 · doi: 10.48550/arxiv.2507.11894 · pith_short_12: Q7IN2ZWMP66D · pith_short_16: Q7IN2ZWMP66DA6ZK · pith_short_8: Q7IN2ZWM

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/Q7IN2ZWMP66DA6ZK2NAFGEYLJX \
  | 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: 87d0dd66cc7fbc307b2ad34053130b4dd06814bf04fef0afa17613eae076e2d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b930e9b3a2599b46e3c7652d2aceb94bf5e65f9ae79caed940e2c08772c9d0e7",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-16T04:21:46Z",
    "title_canon_sha256": "d4aee923fc5f54860ab0651b5544ddaba77cac9e84e91fb7499b47178b901a1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11894",
    "kind": "arxiv",
    "version": 1
  }
}