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
ZAMBOANGA CITY STATE POLYTECHNIC COLLEGE Award a ₱33.5M contract to RCDG CONSTRUCTION CORPORATIONCities
Transaction hash:
db6b506df2f0aa96c31aa2f254e9bf5a26b7e28793ccad3d6e9ba3d578d9a083
Status:
Included and unchanged
Block:
#3,456 2,557 blocks after it
Position in block:
Transaction 275 of 308
Award day:
Jun 22, 2018 (8 yrs 4 mo ago)
Value:
₱33,524,194.03
Project:
Q-087-18
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 #3,456 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)ZAMBOANGA CITY STATE POLYTECHNIC COLLEGE awarded it to RCDG CONSTRUCTION CORPORATION on 2018-06-22.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 City of Zamboanga gave a "qualified" 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 db6b506df2…d9a083now …
- 2. Block Merkle root changedstored dadfea2863…791f6anow …
- 3. Block #3456 hash changedstored c9a7f8715c…a6dd81now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 307 records. Each step hashes the current value together with the sibling shown.
- leaf db6b506df2f0aa96c31aa2f254e9bf5a26b7e28793ccad3d6e9ba3d578d9a083
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- 02 L d85e829671eb865a922ecfce13197fe60b86921c7f69ffe979b2f1572060f467
- 03 R 1571913c5825df5da3c1a34a73928112b8e6927e08933cbce14757ce8bda18e0
- 04 R 248e1b89534e5a3119c1e35fed3ed6156b6f9a7a1516ecd3facae742a0b88184
- 05 L 62964a1bcba60774ef0b8d6274f8739c2b6ceaac232d704586307614abd65dbe
- 06 R ceba22039b8602d5888313a3a83bc0e61da7bfcea222187345e29f557384da40
- 07 R 34d9f175ceb06220b582a26813c92fbf1ad148cc02f9e42dd5110035e7ba67af
- 08 R d0c989d675bd7a3a059becb3c510af49bf6238cee085e069a479a3172a1da384
- 09 L ce90fdf54c83ecaead0e9d48fa749b11270d6a6fd608c3c0449bc8050e47943a
- root dadfea28636bbe889b913b4c69bdbff9616f01910d88e2d307fa3318f6791f6a