Pith Number

pith:PJ3TE7AB

pith:2015:PJ3TE7ABH6RF2IAQI54IWAF6DL

not attested not anchored not stored refs pending

Polarimetric calibration of large mirrors

A. Lopez Ariste

arxiv:1511.03177 v1 · 2015-11-10 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJ3TE7ABH6RF2IAQI54IWAF6DL}

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	2026-05-18T01:27:16.837612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a77327c013fa25d201047788b00be1ad3c8b0719965fc68b41d2e46b5bc27dc

Aliases

arxiv: 1511.03177 · arxiv_version: 1511.03177v1 · doi: 10.48550/arxiv.1511.03177 · pith_short_12: PJ3TE7ABH6RF · pith_short_16: PJ3TE7ABH6RF2IAQ · pith_short_8: PJ3TE7AB

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/PJ3TE7ABH6RF2IAQI54IWAF6DL \
  | 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: 7a77327c013fa25d201047788b00be1ad3c8b0719965fc68b41d2e46b5bc27dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6769ce416f08d2842904edd901e49391ba31a0ec4c0cdc8a5ba98484a4cc656",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-11-10T16:50:36Z",
    "title_canon_sha256": "d9e22fd0e0ee0bfacbf6163c231868176f59ac7bfc8fa66734b5d2b5ba657c9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03177",
    "kind": "arxiv",
    "version": 1
  }
}