Pith Number

pith:K7SL2T2H

pith:2021:K7SL2T2HL5B2NDJTMZE7PTNLV5

not attested not anchored not stored refs pending

Cetacean Translation Initiative: a roadmap to deciphering the communication of sperm whales

Antonio Torralba, Daniela Rus, Daniel Vogt, Dan Tchernov, David F. Gruber, Denley Delaney, Ga\v{s}per Begu\v{s}, Giovanni Petri, Jacob Andreas, Michael M. Bronstein, Pernille T{\o}nnesen, Peter Malkin, Pratyusha Sharma, Robert J. Wood, Roee Diamant, Roger Payne, Sarah de Haas, Shafi Goldwasser, Shane Gero

arxiv:2104.08614 v1 · 2021-04-17 · cs.SD · cs.AI · cs.CL · cs.LG · cs.RO · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7SL2T2HL5B2NDJTMZE7PTNLV5}

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	2026-07-05T02:32:54.205751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57e4bd4f475f43a68d336649f7cdabaf6c01e769d4e2622dfae60d02a79f2015

Aliases

arxiv: 2104.08614 · arxiv_version: 2104.08614v1 · doi: 10.48550/arxiv.2104.08614 · pith_short_12: K7SL2T2HL5B2 · pith_short_16: K7SL2T2HL5B2NDJT · pith_short_8: K7SL2T2H

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/K7SL2T2HL5B2NDJTMZE7PTNLV5 \
  | 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: 57e4bd4f475f43a68d336649f7cdabaf6c01e769d4e2622dfae60d02a79f2015

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6423ef42f6bd58c44f8f2bfecfc3b4938a54bf9721a15332697e2b25a1a20aae",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG",
      "cs.RO",
      "eess.AS"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2021-04-17T18:39:22Z",
    "title_canon_sha256": "63c9343391ce75f231252d59728239643817bf367a4a3f045f970442d2c1a2ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.08614",
    "kind": "arxiv",
    "version": 1
  }
}