Pith Number

pith:IH2HOHBN

pith:2025:IH2HOHBNMYEORYDLUIG7DI3EYJ

not attested not anchored not stored refs pending

Comment on "Discovery and Preliminary Characterization of a Third Interstellar Object: 3I/ATLAS" [arXiv:2507.02757]

Abraham Loeb (Harvard)

arxiv:2507.05881 v2 · 2025-07-08 · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IH2HOHBNMYEORYDLUIG7DI3EYJ}

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.

Cited by

1 paper in Pith

The Kinematic Age of 3I/ATLAS and its Implications for Early Planet Formation

Receipt and verification

First computed	2026-07-05T11:48:26.987689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41f4771c2d6608e8e06ba20df1a364c26b3f025ca65a0268c7ca00c0ea28ec4a

Aliases

arxiv: 2507.05881 · arxiv_version: 2507.05881v2 · doi: 10.48550/arxiv.2507.05881 · pith_short_12: IH2HOHBNMYEO · pith_short_16: IH2HOHBNMYEORYDL · pith_short_8: IH2HOHBN

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/IH2HOHBNMYEORYDLUIG7DI3EYJ \
  | 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: 41f4771c2d6608e8e06ba20df1a364c26b3f025ca65a0268c7ca00c0ea28ec4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42609174de7f1178c45fc30dc8cda78de46442075af3050d1b43704a91fd1afc",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-08T11:06:42Z",
    "title_canon_sha256": "d0b6b0f36f7498229706bee492650ab10cecaa684820844ce638d2292461ba8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05881",
    "kind": "arxiv",
    "version": 2
  }
}