Pith Number

pith:SH7V6SYJ

pith:2011:SH7V6SYJXUYFD44WE2M2HYGZNL

not attested not anchored not stored refs pending

Opportunities for Network Coding: To Wait or Not to Wait

Alex Sprintson, Natarajan Gautam, Navid Abedini, Srinivas Shakkottai, Yu-Pin Hsu

arxiv:1105.4143 v2 · 2011-05-20 · math.OC · cs.IT · cs.NI · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SH7V6SYJXUYFD44WE2M2HYGZNL}

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	2026-05-18T02:21:52.141641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91ff5f4b09bd3051f3962699a3e0d96ae34eafb666d50e27ce687fa56eb25c93

Aliases

arxiv: 1105.4143 · arxiv_version: 1105.4143v2 · doi: 10.48550/arxiv.1105.4143 · pith_short_12: SH7V6SYJXUYF · pith_short_16: SH7V6SYJXUYFD44W · pith_short_8: SH7V6SYJ

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/SH7V6SYJXUYFD44WE2M2HYGZNL \
  | 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: 91ff5f4b09bd3051f3962699a3e0d96ae34eafb666d50e27ce687fa56eb25c93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06ef1421a17fd110a5af0a870fb43ce7005d9f865b16d33a93f45620b397a848",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-05-20T18:04:53Z",
    "title_canon_sha256": "94731e4207bb51501aa7a5b6155219ba350ab6d4acdb85fe82f695d97758a880"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4143",
    "kind": "arxiv",
    "version": 2
  }
}