Pith Number

pith:OYYM7A6I

pith:2013:OYYM7A6ICSMICH4MYEAPFFQRVI

not attested not anchored not stored refs pending

Phase Retrieval By Projections

Jameson Cahill, Jesse Peterson, Lindsey Woodland, Peter G. Casazza

arxiv:1305.6226 v3 · 2013-05-27 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYYM7A6ICSMICH4MYEAPFFQRVI}

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	2026-05-18T03:18:07.872743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7630cf83c81498811f8cc100f29611aa23cb627e7fd8d4c9304af38868d016bd

Aliases

arxiv: 1305.6226 · arxiv_version: 1305.6226v3 · doi: 10.48550/arxiv.1305.6226 · pith_short_12: OYYM7A6ICSMI · pith_short_16: OYYM7A6ICSMICH4M · pith_short_8: OYYM7A6I

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/OYYM7A6ICSMICH4MYEAPFFQRVI \
  | 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: 7630cf83c81498811f8cc100f29611aa23cb627e7fd8d4c9304af38868d016bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e26680cf67c50940617c1431b7dff91b3ba7e35aee16684a4087abecd29807f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-05-27T14:07:10Z",
    "title_canon_sha256": "b045a8afc8c58d0b78e8998cd5ec4d18286808bfef96dec51f9d86f048148d91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6226",
    "kind": "arxiv",
    "version": 3
  }
}