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
MUNICIPALITY OF LEMERY, BATANGAS Award a ₱997.4K contract to SANDBANK CONSTRUCTION AND DEVELOPMENTMunicipalities
Transaction hash:
074e1d70494abe7794fc5c5e790411e95d168182682207ab9f31bf4ced99d6d0
Status:
Included and unchanged
Block:
#3,176 2,837 blocks after it
Position in block:
Transaction 11 of 409
Award day:
Aug 29, 2017 (9 yrs 2 mo ago)
Value:
₱997,367.85
Project:
Concreting of Barangay Road at Barangay Masalisi
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 #3,176 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)MUNICIPALITY OF LEMERY, BATANGAS awarded it to SANDBANK CONSTRUCTION AND DEVELOPMENT on 2017-08-29.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 Lemery gave a "not stated" 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 074e1d7049…99d6d0now …
- 2. Block Merkle root changedstored 2b400b6cfe…d2978fnow …
- 3. Block #3176 hash changedstored 70bcec868a…2a65c9now …
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 408 records. Each step hashes the current value together with the sibling shown.
- leaf 074e1d70494abe7794fc5c5e790411e95d168182682207ab9f31bf4ced99d6d0
- 01 L 060869709a2c7361ff869f74e936927cd71c017832e4472aff0a5629e310905a
- 02 L 6325349312cc38a1d4ad5eca74e2b719ed08220145363741cf745e3742009e90
- 03 R 0a28d10ffbf7e4f7e9645fcebc7e339f21379f27ee80f75f61712ea5d3ae7315
- 04 L 56213aee9030847c6d3d4d861bef1f2490f01cc97f6ec1600f040b8f2501a2d4
- 05 R 3f7592a377cf42e72fe349e2680192a9a5057cd2ad9c1a03c69781ce8781cad5
- 06 R cef70784cda8634dfca380a1c97b59fa6f0d9d27936c9233413745ac32f07451
- 07 R 4dd8dcd9c9ac7eb242918099165fe70fdcf3bbda6a72d6a180f9a241b0672d12
- 08 R e98a9d9a93776f372776c84c545cec475929fa47ffecac3f80ceff81b5c5837e
- 09 R 0535b6745f2ffa3eed3a8cd720c21956521abff997ded5c18cc2a633896e91ff
- root 2b400b6cfe8e20dbf656464f53f8c9664ed1bcba038d9a1aaea994c319d2978f