Pith Number

pith:BUCIODNT

pith:2017:BUCIODNTU4XEEEYIB2SNZVCDJB

not attested not anchored not stored refs pending

Global picture of OAI-PMH repositories through the analysis of 6 key open archive meta-catalogs

Arnaud Gaudinat, Elisa Banfi, Jonas Beausire, Julien Gobeill, Megan Fuss, Patrick Ruch

arxiv:1708.08669 v1 · 2017-08-29 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BUCIODNTU4XEEEYIB2SNZVCDJB}

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	2026-05-18T00:36:26.106804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d04870db3a72e4213080ea4dcd44348539c69ebdf313b96f0bbf62971898f25

Aliases

arxiv: 1708.08669 · arxiv_version: 1708.08669v1 · doi: 10.48550/arxiv.1708.08669 · pith_short_12: BUCIODNTU4XE · pith_short_16: BUCIODNTU4XEEEYI · pith_short_8: BUCIODNT

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/BUCIODNTU4XEEEYIB2SNZVCDJB \
  | 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: 0d04870db3a72e4213080ea4dcd44348539c69ebdf313b96f0bbf62971898f25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "403f610a7cdf3e988c6a02849ff9eb8f042be1ba740c6df98fb0dd516e05b820",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2017-08-29T09:54:17Z",
    "title_canon_sha256": "e25c4bd1f94d53c63f2ff8aecd82f7acb604163d8fd45b7a5c6e067502ef6174"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08669",
    "kind": "arxiv",
    "version": 1
  }
}