Pith Number

pith:ADB4B4OM

pith:2020:ADB4B4OMBBSHAETFESZ2AWLF7K

not attested not anchored not stored refs pending

PTUM: Pre-training User Model from Unlabeled User Behaviors via Self-supervision

Chuhan Wu, Fangzhao Wu, Jianxun Lian, Tao Qi, Xing Xie, Yongfeng Huang

arxiv:2010.01494 v1 · 2020-10-04 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ADB4B4OMBBSHAETFESZ2AWLF7K}

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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.

Cited by

1 paper in Pith

Bootstrapping your behavior: a new pretraining strategy for user behavior sequence data

Receipt and verification

First computed	2026-07-05T01:40:06.139740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00c3c0f1cc086470126524b3a05965fa8319e99f11703c89f86b4209b818cac2

Aliases

arxiv: 2010.01494 · arxiv_version: 2010.01494v1 · doi: 10.48550/arxiv.2010.01494 · pith_short_12: ADB4B4OMBBSH · pith_short_16: ADB4B4OMBBSHAETF · pith_short_8: ADB4B4OM

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/ADB4B4OMBBSHAETFESZ2AWLF7K \
  | 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: 00c3c0f1cc086470126524b3a05965fa8319e99f11703c89f86b4209b818cac2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bfd1890bd8d6622c3cb0b3a8e8a5594821d29316e05b2370dddafab2c69fcaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-10-04T07:01:23Z",
    "title_canon_sha256": "a62b3351526d1f76a81303b9a7bdce425b4801165449227b9bc3be69ab78994c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.01494",
    "kind": "arxiv",
    "version": 1
  }
}