Pith Number

pith:74RJCBNF

pith:2014:74RJCBNF3CQ5YJAW5NJ3XAQ2R3

not attested not anchored not stored refs pending

Projection Methods: An Annotated Bibliography of Books and Reviews

Andrzej Cegielski, Yair Censor

arxiv:1406.6143 v2 · 2014-06-24 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74RJCBNF3CQ5YJAW5NJ3XAQ2R3}

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	2026-05-18T02:43:25.851062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff229105a5d8a1dc2416eb53bb821a8ec5dd1d0421066ccebec87102213f67c8

Aliases

arxiv: 1406.6143 · arxiv_version: 1406.6143v2 · doi: 10.48550/arxiv.1406.6143 · pith_short_12: 74RJCBNF3CQ5 · pith_short_16: 74RJCBNF3CQ5YJAW · pith_short_8: 74RJCBNF

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/74RJCBNF3CQ5YJAW5NJ3XAQ2R3 \
  | 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: ff229105a5d8a1dc2416eb53bb821a8ec5dd1d0421066ccebec87102213f67c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbb257176cc0b0200ae48dd9f9ce6f127ffde33dbf5ab014d2300e8f8eecaff7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-06-24T06:09:51Z",
    "title_canon_sha256": "c684f275f989bb7c76037a6718b5fce750ba06e0ae7ddd83753dfd189baa4485"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6143",
    "kind": "arxiv",
    "version": 2
  }
}