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 ₱1.8M contract to MAM CONSTRUCTION AND TRADINGProvinces
Transaction hash:
bc12526fbf8484455df767b1e5bf9a69a813939bd19027d52d30182fa6a4db49
Status:
Included and unchanged
Block:
#3,475 2,538 blocks after it
Position in block:
Transaction 182 of 253
Award day:
Jul 13, 2018 (8 yrs 4 mo ago)
From:
Value:
₱1,827,460.84
Project:
18-0473- To supply labor, materials and necessary
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 #3,475 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 2018-07-13.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 bc12526fbf…a4db49now …
- 2. Block Merkle root changedstored 96baf10b8e…77c1b5now …
- 3. Block #3475 hash changedstored 9d6be279a5…296e51now …
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 252 records. Each step hashes the current value together with the sibling shown.
- leaf bc12526fbf8484455df767b1e5bf9a69a813939bd19027d52d30182fa6a4db49
- 01 R bc7a29af36f4415b54a5705c9f220d43e04248a7bf6d3b402c02b96209d7ed3c
- 02 L bab966da4605fd1bc121fc30b75ab51e3cf0081c4194b733d685129cee80bfae
- 03 L 1242d43a200d397c06a497f6f29a48d90aa58609798a733560cc26a1891f2e2e
- 04 R f8bf7cf26c4702aebc3f2059c7f260c1c73f2473bf4d4411809dbe62dcc9a868
- 05 L ae06a909e3aa3dff182540be135f309a76a08997905fba51b0c7a597c65f80af
- 06 L 4587a2c7af60cf518d2af71a7a130d5cebe6e822d966937fea855dd219d47c61
- 07 R 13a8b82ac3c6355432318961b12c83c7808469949bdc500ccc5e8aa4a5d44708
- 08 L 037e3ea2ee0218db76e27ec98f79ca7153d7b596c39e725746c5726a9c38a2f6
- root 96baf10b8e2daaa16b59ca5c95c3cf9b77ca6b573f526c1a28fab19c5877c1b5