OpenTechnical

OT-2026-000017978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000017978) never changes.

Identity and time

Publication numberOT-2026-000017978 · never reused
Internal UUID01a0ae6e-96fc-713a-8b0a-9487ed8b329b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017978
StatusPUBLIC

Content hashes

Canonical text42bc0e5f7c3d4d093b624cc7deb7a61da338b9b2369598dda6c14674d57bab63
Markdowncbf7337d58434fe68442a537eac19a68cc4a39c1ac1417d2aa0af9d5c4a4e6b5
PDF
Publication page0b560a2d5e3f77dbb026605acad0e71deedc524044a588a6d692f0b14a3a4e61
Manifest8d789e3815f69eae15f67b461e07ed23245e4d36d15f65a855b1bec5e54d7885

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
SignatureSUhrGhFEiw7Ezh8lo0cSE8XByQkSLGs3UJ7hGSJ1zzBGvlZ0TQF9uGkBn+RndWnjax2wQQarZBwJiCrQUerTDQ==
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

2026-09-17T12:01:59.689851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017978
observed 0b560a2d5e3f77dbb026605acad0e71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.671171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017978/manifest.json
observed 8d789e3815f69eae15f67b461e07ed23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.656441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017978/publication.md
observed cbf7337d58434fe68442a537eac19a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:59.637303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017978/publication.txt
observed 42bc0e5f7c3d4d093b624cc7deb7a61d...
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.