Pith Number

pith:DKMFFMBH

pith:2018:DKMFFMBHIPCKEHJ4GCCVHMXLKY

not attested not anchored not stored refs pending

A Line in the Sand: Recommendation or Ad-hoc Retrieval?

Bhaskar Mitra, Surya Kallumadi, Tereza Iofciu

arxiv:1807.08061 v1 · 2018-07-21 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKMFFMBHIPCKEHJ4GCCVHMXLKY}

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	2026-05-18T00:10:09.440364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a9852b02743c4a21d3c308553b2eb5634fc9c7181ba702745ca5fd888d5c4c6

Aliases

arxiv: 1807.08061 · arxiv_version: 1807.08061v1 · doi: 10.48550/arxiv.1807.08061 · pith_short_12: DKMFFMBHIPCK · pith_short_16: DKMFFMBHIPCKEHJ4 · pith_short_8: DKMFFMBH

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/DKMFFMBHIPCKEHJ4GCCVHMXLKY \
  | 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: 1a9852b02743c4a21d3c308553b2eb5634fc9c7181ba702745ca5fd888d5c4c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ad3cb9c93d5c26680b3c7df9e484a8c75f4edfded62878efb88988068a35dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-07-21T00:45:13Z",
    "title_canon_sha256": "1723fb5e6d46e3e9c4976c364eb971b7c37a8b92aa2438c7b9fd6bc5cb517832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08061",
    "kind": "arxiv",
    "version": 1
  }
}