DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
PROVINCE OF RIZAL Award a ₱718.7K contract to NICKERSON CONSTRUCTIONProvinces
Transaction hash:
1ddbd28ff67f112b87f0dea25d026783697d5f57ba0744d1d45cba6be0a7dce1
Status:
Included and unchanged
Block:
#4,740 1,273 blocks after it
Position in block:
Transaction 95 of 838
Award day:
Mar 8, 2022 (4 yrs 8 mo ago)
From:
Value:
₱718,728.38
Project:
Installation/Improvement of Electrical Lighting Sy
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,740 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF RIZAL awarded it to NICKERSON CONSTRUCTION on 2022-03-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Rizal gave a "not stated" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 1ddbd28ff6…a7dce1now …
- 2. Block Merkle root changedstored e6e8da3378…19f8e9now …
- 3. Block #4740 hash changedstored e9416456e3…9fe99bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 837 records. Each step hashes the current value together with the sibling shown.
- leaf 1ddbd28ff67f112b87f0dea25d026783697d5f57ba0744d1d45cba6be0a7dce1
- 01 L 1daff37ae9c7b79e907bce9d0c33f03e52579fb64db3a958e420701f583a39d9
- 02 L 5d3a3b18f7dda33ce893c378cd2160c9cc86d1bcb28eae69714c4f9ef4d88344
- 03 L 7cced6e10264742d8828f2884f160a0314fa72752110152c71545bef3df6ae68
- 04 L f37159a64b35a556216501c1e85e3ea6d61cc39fc5c6dfbc9c50cc5efa2eb1fd
- 05 L 2e20953bbcb75b0a5c155c3d6de6a115ca89678bf2edde2dd8160d0b69d38955
- 06 R 202efe38a89d3667c7e4e3e33bd0377673ec8c1124630269dade849e2a1fc9c5
- 07 L b7b448ce0b723538702a24bbb60bf23f6483ce0e0214af7651b29fcbb7904cd0
- 08 R 32c16f633c825f1948b025be63feb7f1b6fc1ae19434f870916b7861a6c067cf
- 09 R 7c5e221a600df018de464dc4301273b48a8e5025e07b2582cdef59baa54eb6d6
- 10 R 0f6c19fdc3a3a384bde9eb26d1fef41377df2a7cb8b6a9dded00c18ebe0eebae
- root e6e8da3378ae17754b373ef3968901eb9b9ffa23d062bfbf6f488dcc3619f8e9