OpenTechnical

OT-2026-000016959

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000016959) never changes.

Identity and time

Publication numberOT-2026-000016959 · never reused
Internal UUID01a0ae6e-591a-743b-8f33-4d9c9c621cab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016959
StatusPUBLIC

Content hashes

Canonical texteb1dacc4087c09136f1ffb72c776fba7db7c4fe2d92458bc667bf8cc3f66badc
Markdownff865344936da14cbc3a95ad52d366706de575fa5933a2c613c9227f4e8d0cc4
PDF
Publication page90594fbde36d8f392c46f7b579c338266e6a1eb2ff703923f1aae6de25a77101
Manifest66607153af331787b54efe0857dcc9c6447b85cfc43b61fdb96615e32f3b05e1

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
SignatureXSJUcvTQ5vn7UW2tyAAHUPt3VQOqEtDxwFWqaHC2jBSYdKZhSqP8S7I4rCdbwnNmJp4AnkICTCPsnwHgPJ2lBA==
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

2026-09-17T12:03:14.850767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016959
observed 90594fbde36d8f392c46f7b579c33826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.834208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016959/manifest.json
observed 66607153af331787b54efe0857dcc9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.816977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016959/publication.md
observed ff865344936da14cbc3a95ad52d36670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:14.799112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016959/publication.txt
observed eb1dacc4087c09136f1ffb72c776fba7...
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.