OpenTechnical

OT-2026-000012434

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000012434) never changes.

Identity and time

Publication numberOT-2026-000012434 · never reused
Internal UUID01a0ae6d-39f6-7424-baaa-db7550e88127 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012434
StatusPUBLIC

Content hashes

Canonical text92d3da9642c3dfcaba5318ccd5eec9e3ca608bbeede3a2c940a91b881fa335ef
Markdownfcd2d50552d1a34efce44e20b7d3838035037014fe8d2828d8c65a570c20a71c
PDF
Publication page3419934828ece6c164d2b7bb2aed7e334be97d18f80abfd60f33f031de2e1256
Manifest353be174076f9eca44c72af04804863771b4c2b18070a757afb9fea2bd4a688e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureSVymCBMLsOlbnQ78zd5acnyH5HQKPant8nAxtGecMIiXv2T/wNF5F9nqlMiCJhcoj2mvVxMx99UlmCBXdeVVDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:56.049600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012434
observed 3419934828ece6c164d2b7bb2aed7e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.029676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012434/manifest.json
observed 353be174076f9eca44c72af048048637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:56.009908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012434/publication.md
observed fcd2d50552d1a34efce44e20b7d38380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:55.989822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012434/publication.txt
observed 92d3da9642c3dfcaba5318ccd5eec9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.