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 MANDAUE, CEBU Award a ₱2.6M contract to GRAND TAISHAN CONSTRUCTION AND DEVELOPMENT INCCities
Transaction hash:
c8d505e7d37e0c0d80c8d99af24d7cb0c44b6cbef85bc64bbff1e05f28b9b6ef
Status:
Included and unchanged
Block:
#4,797 1,216 blocks after it
Position in block:
Transaction 459 of 586
Award day:
May 10, 2022 (4 yrs 6 mo ago)
Value:
₱2,594,314.30
Project:
Rehabilitation and Re-roofing of Norkis COVID-19 Facility, D.M. Cortes St., Looc, Mandaue City (Typhoon Odette Aftermath)
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 #4,797 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 MANDAUE, CEBU awarded it to GRAND TAISHAN CONSTRUCTION AND DEVELOPMENT INC on 2022-05-10.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 Mandaue 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 c8d505e7d3…b9b6efnow …
- 2. Block Merkle root changedstored a91157e4d8…b2059anow …
- 3. Block #4797 hash changedstored 4fc23c6e9d…588b92now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 585 records. Each step hashes the current value together with the sibling shown.
- leaf c8d505e7d37e0c0d80c8d99af24d7cb0c44b6cbef85bc64bbff1e05f28b9b6ef
- 01 L c84ab08dfebb4a890eae7cfd240ee77dd803a2a4ce417a21f46a1b7a8e1069ff
- 02 L 43ee89cc44aece39454970ecc1bf27abdf53a9c27d19aaeb7c2c16f630efad52
- 03 R de37c11cc5c3014c244fec3bdd8c36234b63ae84832f0345e975e788a6ccd448
- 04 L 5f070ac83934893c851854634d529a6e3910a385c4e71f147939d4a9a3ad9832
- 05 R 71073421e01b5c7ebbe8f2779c68cf6ba22c20561560a13feec077b69b84395b
- 06 R 75626480db4238f3cc0150ba044c53c1ad3a6d4bf1c4e881035adb1f33af6c59
- 07 L 66b0fa45974ed4eb689dd71bc3d216cbd618695c53f78ba0561077691b63acfb
- 08 L 1fe7fb59b60029b60899495799158fa43b2242af945a3c1c72cd89b54f7d41cc
- 09 L fd11bf91a28dffbe711db66f6a5179bdb16d54ec459f5003a3e242dc14c6a3fe
- 10 R 6aee71fd72ba1f98beb7c5d2ca96d2f6ef3a2d524b069f1ee38bfb8af2ffe23f
- root a91157e4d81262db834c169cf1e89adb8455a9abcc5739b02e119b5520b2059a