OpenTechnical

OT-2026-000038314

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000038314) never changes.

Identity and time

Publication numberOT-2026-000038314 · never reused
Internal UUID01a0ae78-2d51-7aaf-aabf-3e1cac343bef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038314
StatusPUBLIC

Content hashes

Canonical textda74ecd80c083bd9eba9deb9eb2d2ce13874f564bc7e3f20b5f183382d93ced2
Markdown21baaf86a8ba1511a70a2ad2c2d175c786caea9381431541ee9d3eb07c6933aa
PDF
Publication page5d8f4d39d25115e78fcf58453fd584e6209a00e9dfba833f2995c45ce170f98f
Manifestfee88fcb6ca93a5b363c496e0c322a467f1640d687cbe61fe8b4d917aadda835

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
SignatureXWPRoJsivLvlK5V4GmvaWfEh3LWRX2y1v4jkLG0Vv6jXMqduF7eCl/aoKKHKEkjAmP2Wez7yxbYTJMp1YYKbDQ==
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

2026-09-17T11:22:29.412298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038314
observed 5d8f4d39d25115e78fcf58453fd584e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.393864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038314/manifest.json
observed fee88fcb6ca93a5b363c496e0c322a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.377519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038314/publication.md
observed 21baaf86a8ba1511a70a2ad2c2d175c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.359139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038314/publication.txt
observed da74ecd80c083bd9eba9deb9eb2d2ce1...
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.