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
PROVINCE OF PAMPANGA Award a ₱3.4M contract to MAM CONSTRUCTION AND TRADINGProvinces
Transaction hash:
5bdeebbb6b2fc21445beaf6bd68bb22022fa5284dfb49e22b96463a5a2817f65
Status:
Included and unchanged
Block:
#5,121 892 blocks after it
Position in block:
Transaction 150 of 408
Award day:
Apr 12, 2023 (3 yrs 7 mo ago)
From:
Value:
₱3,441,993.29
Project:
PR 23-0498- To supply labor, materials and necess
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 #5,121 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)PROVINCE OF PAMPANGA awarded it to MAM CONSTRUCTION AND TRADING on 2023-04-12.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 Pampanga 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 5bdeebbb6b…817f65now …
- 2. Block Merkle root changedstored baa32aa26a…579584now …
- 3. Block #5121 hash changedstored 276519d722…f10eecnow …
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 407 records. Each step hashes the current value together with the sibling shown.
- leaf 5bdeebbb6b2fc21445beaf6bd68bb22022fa5284dfb49e22b96463a5a2817f65
- 01 R 5ca9466d5db0a5423eb8d44ee159ecd05d8e01e4430309f2ef3fef655d1348ce
- 02 L d9fb63515e8805e04aad183f7761f8bc30b4e8c7756d1847ba943da85be9ef12
- 03 L 47a40cb19b52a9755cd7a460425c13f812d48d8368447c9bc39026d91930d7ab
- 04 R a3fdf41c1e935c92f0b3cda333ee41a49184cd703cbf64962b5d091951e8a4ca
- 05 L 929d29a9fb57a9981db856e3e1db0b914f197f1dfdf0ee5055d40316cdf3c2ec
- 06 R fa82b5a545aecafb232aa0d291b2fe42e0dbd312e9e87859be443c57f3badcb7
- 07 R 400c943ff3d1ae0193e66d185dfe94600be9697631516448d161009c4eea355d
- 08 L 1eea39e72ea6e2b9bf722e7cdec0f2be5d33802bf44fc41bf1f74166f8f7dcc7
- 09 R 67909ec37e321c04625429d503c1deedae31b0aeef8ded459f0f1e91cabef035
- root baa32aa26a6db1afc000e7485533a0629bde929dd21aaa2e103c5f74b4579584