Pith Number

pith:XFX6ARP7

pith:2015:XFX6ARP7Q6ZAZSU2BQFBASCWMP

not attested not anchored not stored refs pending

Augmented Test Collections: A Step in the Right Direction

Laura Hasler, Martin Halvey, Robert Villa

arxiv:1501.06370 v1 · 2015-01-26 · 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{XFX6ARP7Q6ZAZSU2BQFBASCWMP}

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	2026-05-18T02:28:41.654848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b96fe045ff87b20cca9a0c0a10485663c350c23a997e75ea86f11d91d3d05548

Aliases

arxiv: 1501.06370 · arxiv_version: 1501.06370v1 · doi: 10.48550/arxiv.1501.06370 · pith_short_12: XFX6ARP7Q6ZA · pith_short_16: XFX6ARP7Q6ZAZSU2 · pith_short_8: XFX6ARP7

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/XFX6ARP7Q6ZAZSU2BQFBASCWMP \
  | 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: b96fe045ff87b20cca9a0c0a10485663c350c23a997e75ea86f11d91d3d05548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "998d630a319a31bf82e00ebc4d38a3f44c618287040aa1926c8a3cf255894808",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-01-26T13:08:43Z",
    "title_canon_sha256": "34d687d7fffe4d0c1024fb0dbf2e95a4abe8d01a342fc4e6b9a45ec9af141ec0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06370",
    "kind": "arxiv",
    "version": 1
  }
}