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
DAVAO CITY WATER DISTRICT Award a ₱11.2M contract to QUADCORE CONSTRUCTION AND DEVELOPMENT CORPORATIONCities
Transaction hash:
53d6fefa3451720e46aae67be476047b01d6e8856b6f89cae1944d4979dae682
Status:
Included and unchanged
Block:
#3,164 2,849 blocks after it
Position in block:
Transaction 70 of 183
Award day:
Aug 15, 2017 (9 yrs 3 mo ago)
Value:
₱11,196,250.76
Project:
Pipe Rack
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 #3,164 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)DAVAO CITY WATER DISTRICT awarded it to QUADCORE CONSTRUCTION AND DEVELOPMENT CORPORATION on 2017-08-15.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 Davao 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 53d6fefa34…dae682now …
- 2. Block Merkle root changedstored e76208d4d6…f727adnow …
- 3. Block #3164 hash changedstored d22e467748…733c02now …
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 182 records. Each step hashes the current value together with the sibling shown.
- leaf 53d6fefa3451720e46aae67be476047b01d6e8856b6f89cae1944d4979dae682
- 01 R 551ff3e742e1cdc96128d36ca187e6fcba2c4412e48ccfab94d7d10b17f2e5d0
- 02 L 510cefe3f7254908592d9692bf55dad2221754b68a5f8eaf52ba07d90c94c4a0
- 03 L 1b9f661eef317aecad301692b720c3d4ba3d4942589672ff81bc17b292d5bb81
- 04 R 315a144e088ebef552b6e203fe9dcee27ea2ebd3bb8f0fc7c55054f43b677834
- 05 R 434745cfd6556473f81daa64763ebd367a1e2ccb3d92b385dccb171ccf3511fc
- 06 R bc98c9547c193b44038db00a8002df22344aa9305dbb6cd5116f4eab62c28d59
- 07 L fc81541013ad054aedd95259b820c5cd3e7b550f1509d18baf79f5073ae1d4fb
- 08 R fea3c4ed7b9579792e596e2c273f579d368438fd78eff6f35c2bd2999d465238
- root e76208d4d6699519fbf72cf9913a23e2813585a7cf0610fd049d36610ef727ad