OpenTechnical

OT-2026-000048186

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000048186) never changes.

Identity and time

Publication numberOT-2026-000048186 · never reused
Internal UUID01a0ae80-4de2-7175-b52f-5917146eefb0 · 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-2026-000048186
StatusPUBLIC

Content hashes

Canonical text23d3777459317bc7e22b237c5ea8850b68be947b85feb6b3af7a008babbd2e1f
Markdown1df59e3f39f2c32ccfdd7afbff025c9ee59760c3227d5ce5e6ad3b4c99a9c853
PDF
Publication pagee7b83b14177be30ba098b683ba05b72d0319871100967b2bc42615059c4f8489
Manifest7ac8e4a484656470206be027c2604c3e4a3436f09f538437fa17d34dce9035be

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
SignatureKYwA4nOJhQgJg6jUz9rHkdlvep/FiYv7D0gbJuNShhsQbVmxsPIvmUaRacOcM4vo3wvevoTEYznw9/kv074DCg==
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

2026-09-17T11:04:43.538280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048186
observed e7b83b14177be30ba098b683ba05b72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.521304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048186/manifest.json
observed 7ac8e4a484656470206be027c2604c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.502999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048186/publication.md
observed 1df59e3f39f2c32ccfdd7afbff025c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.483212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048186/publication.txt
observed 23d3777459317bc7e22b237c5ea8850b...
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.