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 DAVAO, DAVAO DEL SUR Award a ₱3.6M contract to ARDRAW CONSTRUCTION AND SUPPLY CORPORATIONCities
Transaction hash:
dacd8a62bc1a2f43284039e78bda97b1b49fa0dbb74bd03c71c7f0f436400ce4
Status:
Included and unchanged
Block:
#4,689 1,324 blocks after it
Position in block:
Transaction 221 of 263
Award day:
Jan 14, 2022 (4 yrs 9 mo ago)
Value:
₱3,615,438.00
Project:
Infrastructure B17-2021-03
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 #4,689 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 DAVAO, DAVAO DEL SUR awarded it to ARDRAW CONSTRUCTION AND SUPPLY CORPORATION on 2022-01-14.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 dacd8a62bc…400ce4now …
- 2. Block Merkle root changedstored 61daedeca6…2eb55fnow …
- 3. Block #4689 hash changedstored 685eb9dc03…f6b687now …
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 262 records. Each step hashes the current value together with the sibling shown.
- leaf dacd8a62bc1a2f43284039e78bda97b1b49fa0dbb74bd03c71c7f0f436400ce4
- 01 L da2a91f00aad01ba9f9134f0f94fb8cde0d7156c8a956a6e2e14d20eb2b2731e
- 02 R 3f8e08306bad18c7dccbbf2918b4e8bd8ab92244c692e3a1e987a25ca909553d
- 03 L fd106eaa67af99e6fe1e455972d4a39ed7f7f53df73149218387db6ba901cc59
- 04 L 5a2b4f22012f17e5c29967564a350b7561bb8aa124df7dd18801bc8fcf4bc30a
- 05 L f62f79789d95b0b6c1a4c813adeedc82cc45a5c9d350160e26a18cebfe810f30
- 06 R fe8c1160b6700e805a75bf8cfbc85f33da5301b5e7433b9bc918edf94a2cb2af
- 07 L 596bf6edb6abc2d4e79e419061b3061e5067d0c27773b1c682cc344f4cfd77d0
- 08 L 783551e7b4678bfb455f109e4b99a0163c1a13883b590fc6fe6af3105e83c128
- 09 R 608d6ebf3d02bc59e53980344a70414b6a2be3e6a1c38ceeae4c24a0e5520d9a
- root 61daedeca60b1100c56e53c154c2073ef654adddfaa990c7ff61c77ff02eb55f