Pith Number

pith:SZZIA2X3

pith:1998:SZZIA2X3EYGC5SPZGTDZNR3HI4

not attested not anchored not stored refs pending

Spatial Corrections of ROSAT HRI Observations

D. E. Harris, G. Hasinger, I. Lehmann, J. D. Silverman

arxiv:astro-ph/9811121 v1 · 1998-11-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SZZIA2X3EYGC5SPZGTDZNR3HI4}

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	2026-07-04T16:07:10.193786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9672806afb260c2ec9f934c796c7674716aa636e85dc3341be5f7ae41694d9f8

Aliases

arxiv: astro-ph/9811121 · arxiv_version: astro-ph/9811121v1 · doi: 10.48550/arxiv.astro-ph/9811121 · pith_short_12: SZZIA2X3EYGC · pith_short_16: SZZIA2X3EYGC5SPZ · pith_short_8: SZZIA2X3

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/SZZIA2X3EYGC5SPZGTDZNR3HI4 \
  | 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: 9672806afb260c2ec9f934c796c7674716aa636e85dc3341be5f7ae41694d9f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92fd7b9835a6785de53f29a29c29c76946ffac832f7fa5b2577b1783299a5816",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-11-08T20:50:30Z",
    "title_canon_sha256": "54cd08c04ac3e1180d060352992cf0ebeff56ba2667efb397312fb30625f4514"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9811121",
    "kind": "arxiv",
    "version": 1
  }
}