OpenTechnical

OT-2026-000053129

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000053129) never changes.

Identity and time

Publication numberOT-2026-000053129 · never reused
Internal UUID01a0ae84-a431-7ca2-ba82-ba8c7c9bd575 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053129
StatusPUBLIC

Content hashes

Canonical text613f57ce294e71df5d8b52588d99b6cc6e386e77ab76b6a6b23e671ea92ec8df
Markdown4bc40c1089c69dbc4f42e8702647e221a718c20cf725d0e38ba880ebabe8b6d8
PDF
Publication page8d61aeba5a44fa82254f6b09a42e4f74343cbebaf4410f3b91dafc646f6d34d0
Manifest84da1bfa5b9ffd2ac060f4a19c9834791c33dc1f9b4a723dc10b946316528250

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
Signature6DWxFp/bPxQrClfpKbyJJTLL5YaRcyO+656LTz709FEmF0n/2M8jR56wqTvgq9FhfZEXL5Ls41z106ltGuNZBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:51.537381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053129
observed 8d61aeba5a44fa82254f6b09a42e4f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.521173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053129/manifest.json
observed 84da1bfa5b9ffd2ac060f4a19c983479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.504942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053129/publication.md
observed 4bc40c1089c69dbc4f42e8702647e221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:51.488562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053129/publication.txt
observed 613f57ce294e71df5d8b52588d99b6cc...
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.