Pith Number

pith:MQHFXDDV

pith:2014:MQHFXDDVG4CT47CUMSJDA5UFHT

not attested not anchored not stored refs pending

A Service-oriented Infrastructure Approach for Mutual Assistance Communities

Chris Blondia, Hong Sun, Ning Gui, Vincenzo De Florio

arxiv:1401.3627 v1 · 2014-01-15 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQHFXDDVG4CT47CUMSJDA5UFHT}

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	2026-05-18T03:02:08.144893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

640e5b8c7537053e7c5464923076853cd542cea7a20fead2e14a849eb351ec4e

Aliases

arxiv: 1401.3627 · arxiv_version: 1401.3627v1 · doi: 10.48550/arxiv.1401.3627 · pith_short_12: MQHFXDDVG4CT · pith_short_16: MQHFXDDVG4CT47CU · pith_short_8: MQHFXDDV

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/MQHFXDDVG4CT47CUMSJDA5UFHT \
  | 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: 640e5b8c7537053e7c5464923076853cd542cea7a20fead2e14a849eb351ec4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e071550db5cb8e2ca03d8f3ccb16b60967f8ab08b2e99f4cb14bbb08e6ae2689",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2014-01-15T15:29:29Z",
    "title_canon_sha256": "506374dda04cadac41147465f350178404c297c084cb20964442732d44376d5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3627",
    "kind": "arxiv",
    "version": 1
  }
}