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 ₱1.5M contract to YAKALER CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
f453cf79ab28153ef5838f87ffa59dd3fe186977422232f7d8d11abaa8d8874a
Status:
Included and unchanged
Block:
#4,687 1,326 blocks after it
Position in block:
Transaction 242 of 256
Award day:
Jan 12, 2022 (4 yrs 10 mo ago)
From:
Value:
₱1,499,542.05
Project:
Repair/Repainting of Ynares School Building at Tal
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 #4,687 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 YAKALER CONSTRUCTION AND SUPPLIES on 2022-01-12.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 f453cf79ab…d8874anow …
- 2. Block Merkle root changedstored 6066db71fd…59e131now …
- 3. Block #4687 hash changedstored 822a469dbf…9fbba4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 255 records. Each step hashes the current value together with the sibling shown.
- leaf f453cf79ab28153ef5838f87ffa59dd3fe186977422232f7d8d11abaa8d8874a
- 01 R f4aa6ae3cca4ac1395b209cca10075d393d254531eddfe5f55c0498de0f3970e
- 02 L 4dc454034589214d61ffa3cdf05de27c8d047ac940e2254b93f575e4020d7b71
- 03 R 0785d464d49b23691d9f73342a31f50130239c121b45af0ca7871f060f814547
- 04 R aaa891ba0408b601850e0e904fb7c44e0a17a57c40aade93b40e3d046aa02875
- 05 L da3da0538b6f44bd9878212153f626d14dc2c3f62bae8be68b77d2183f5f8e67
- 06 L e7fd7dea973ec67018496e32e6ec0dc422ee4c1b0e244492b1d32939453705f5
- 07 L 8744fc85f9932790b993e533f20c86bedb6a642b4ce5efcc8d97ca8ff03c31bb
- 08 L 38e3343d2d0e9a68af08c338a95d2a46940eccc6f8ba42e916cae43dcef5b27a
- root 6066db71fd7f8e363edcfcc2584d527ab7d69c2b75014d3c982f72caee59e131