Pith Number

pith:UZLLHL27

pith:2009:UZLLHL27NVENZSKB36RP6SBFY7

not attested not anchored not stored refs pending

Education and Research in the SEENET-MTP Regional Framework for Higher Education in Physics

G. S. Djordjevic, R. Constantinescu

arxiv:0912.3236 v1 · 2009-12-16 · physics.ed-ph · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZLLHL27NVENZSKB36RP6SBFY7}

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	2026-05-18T02:10:16.301588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a656b3af5f6d48dcc941dfa2ff4825c7f85ffda24bf251f72d270c9d79fd4714

Aliases

arxiv: 0912.3236 · arxiv_version: 0912.3236v1 · doi: 10.48550/arxiv.0912.3236 · pith_short_12: UZLLHL27NVEN · pith_short_16: UZLLHL27NVENZSKB · pith_short_8: UZLLHL27

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/UZLLHL27NVENZSKB36RP6SBFY7 \
  | 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: a656b3af5f6d48dcc941dfa2ff4825c7f85ffda24bf251f72d270c9d79fd4714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab1d38f56c078fff01048b4c862ae25a9194738acd97843c5895400fd2ebf9b3",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2009-12-16T19:29:18Z",
    "title_canon_sha256": "98bfd90396df79b77896684e42fca5e8250f6d925ca77532a054916b32e4e54d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3236",
    "kind": "arxiv",
    "version": 1
  }
}