Pith Number

pith:7VEQVV6Z

pith:2015:7VEQVV6Z2XNS3K53JI75TVAYK7

not attested not anchored not stored refs pending

Solving Conic Systems via Projection and Rescaling

Javier Pena, Negar Soheili

arxiv:1512.06154 v3 · 2015-12-18 · 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{7VEQVV6Z2XNS3K53JI75TVAYK7}

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	2026-05-18T00:54:58.159229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd490ad7d9d5db2dabbb4a3fd9d41857d6a35fa52f9c3a9281cbc31ac30ee832

Aliases

arxiv: 1512.06154 · arxiv_version: 1512.06154v3 · doi: 10.48550/arxiv.1512.06154 · pith_short_12: 7VEQVV6Z2XNS · pith_short_16: 7VEQVV6Z2XNS3K53 · pith_short_8: 7VEQVV6Z

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/7VEQVV6Z2XNS3K53JI75TVAYK7 \
  | 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: fd490ad7d9d5db2dabbb4a3fd9d41857d6a35fa52f9c3a9281cbc31ac30ee832

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "693f7f45e43017666a124eb91ed10a4f1ca06771a04aea32e9b2e78e1819260b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-12-18T22:26:12Z",
    "title_canon_sha256": "95aeada4e91dfde96f5bb7222aef7423afd7c0f9e0587e5998cd8b43c91b6066"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06154",
    "kind": "arxiv",
    "version": 3
  }
}