Pith Number

pith:I6XPGV2F

pith:2026:I6XPGV2FWDWBMGPCMJ6UQQTE5Y

not attested not anchored not stored refs pending

Information Processing Capacity of Stationary Physical Systems: Theory, Data-efficient Estimation Methods, and Photonic Demonstration

Rahul Uma Ramachandran, Serge Massar

arxiv:2605.19152 v1 · 2026-05-18 · stat.ML · cs.ET · cs.IT · cs.LG · cs.NE · math.IT · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6XPGV2FWDWBMGPCMJ6UQQTE5Y}

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	2026-05-20T01:05:29.708527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47aef35745b0ec1619e2627d484264ee37e1aa1edf3b2d6fabdb6fb65db9aba3

Aliases

arxiv: 2605.19152 · arxiv_version: 2605.19152v1 · doi: 10.48550/arxiv.2605.19152 · pith_short_12: I6XPGV2FWDWB · pith_short_16: I6XPGV2FWDWBMGPC · pith_short_8: I6XPGV2F

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/I6XPGV2FWDWBMGPCMJ6UQQTE5Y \
  | 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: 47aef35745b0ec1619e2627d484264ee37e1aa1edf3b2d6fabdb6fb65db9aba3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dd0fb5e83054c71a50ec8cfd5dfb2b3dd446fbec64dfe4a07cbe8b664aaafd1",
    "cross_cats_sorted": [
      "cs.ET",
      "cs.IT",
      "cs.LG",
      "cs.NE",
      "math.IT",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-05-18T22:13:52Z",
    "title_canon_sha256": "0a4b80ced881399cd32ece3ccb8973db829289bcfc97fdbc3890b60fe235c0cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19152",
    "kind": "arxiv",
    "version": 1
  }
}