OpenTechnical

OT-2026-000048358

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000048358) never changes.

Identity and time

Publication numberOT-2026-000048358 · never reused
Internal UUID01a0ae80-4de4-7e91-a163-d941d71a3192 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048358
StatusPUBLIC

Content hashes

Canonical texteceeabcfcecc8e9cb77fb867bf744922c9804853c0d1227e933d79a9e51b600e
Markdownfa10123695a37e94db0b3ef5c4b262579731c539954bf122526e0e05bda13895
PDF
Publication pagefacc8e3248a8b163ef5d1ce734f65a163d6388648dcf803f7e33dd0666420091
Manifestb9e113a2b96fe8a19a7167bf98778c4d3fb44b7df731c798a3ca336e8f8835c4

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
SignaturenSrS5SMSWaQk4rJMwCH2VvXiJGxAuKmy+naZCln7va+kjZJ0CLAoEPZOzOd0JXP5a5D1Qftjje83xECYBTc2Ag==
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

2026-09-17T11:04:58.665921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048358
observed facc8e3248a8b163ef5d1ce734f65a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.646065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048358/manifest.json
observed b9e113a2b96fe8a19a7167bf98778c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.624805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048358/publication.md
observed fa10123695a37e94db0b3ef5c4b26257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:58.605032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048358/publication.txt
observed eceeabcfcecc8e9cb77fb867bf744922...
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.