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
CITY OF TUGUEGARAO, CAGAYAN Award a ₱1.9M contract to DEKM CONSTRUCTIONCities
Transaction hash:
8fddbf7218133fd34e3829adb0cac3c539b179b4464d2f29fbaa29bd4d5decc5
Status:
Included and unchanged
Block:
#3,482 2,531 blocks after it
Position in block:
Transaction 154 of 249
Award day:
Jul 20, 2018 (8 yrs 3 mo ago)
Value:
₱1,900,342.99
Project:
Cataggaman Nuevo Elementary School, Tug. City
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 #3,482 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)CITY OF TUGUEGARAO, CAGAYAN awarded it to DEKM CONSTRUCTION on 2018-07-20.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 Tuguegarao City 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 8fddbf7218…5decc5now …
- 2. Block Merkle root changedstored f5dc007948…9f4827now …
- 3. Block #3482 hash changedstored a0cf8439e4…9f48e0now …
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 248 records. Each step hashes the current value together with the sibling shown.
- leaf 8fddbf7218133fd34e3829adb0cac3c539b179b4464d2f29fbaa29bd4d5decc5
- 01 R 8fe0932c3d1cbe64dcfebbc18e08c7ea01d4d0221944bdd4454846e7900d3416
- 02 L 06ce5937d23bca0078c59cf8a84b2579807901a14ca78f114cedceec8fbebf87
- 03 R b7e4366bc50a0e30bda55fde3aee5e34f2ca3a7227361fe6314b7aadea2d445d
- 04 L 077a224df70b1857b481840d695dd92bd8154c4cbbee770fc395a1e3c97e60e4
- 05 L 50600efc50132e013addac87b3ad2f40ec694962f3bedd3566d970dbac6a3157
- 06 R a87490f57e9da715fefb09b8a7a2f35ddc083b67281f10bbdf649b19961f1948
- 07 R 708af47f553c747928e6e8834c53da399ccd04b924c34b4218eff2568702caf7
- 08 L 5bace7b48353d7495d7d683dd5063eb80c195a3d48eb0d97327ef0c0e03bb57a
- root f5dc007948fd1e322579eb89697dfc8845136f3d7f872f8600f40b89be9f4827