OpenTechnical

OT-2026-000101888

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed 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-2026-000101888) never changes.

Identity and time

Publication numberOT-2026-000101888 · never reused
Internal UUID01a0aea4-50f0-7161-a004-3d050027e03e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101888
StatusPUBLIC

Content hashes

Canonical text17999e22a35058ea4075ad9d669ff8839456e3447a9bd7f30383c8fbd70d8c73
Markdown3ecbd7d0bde441dea29ce91726df37da04af8719060cf7d313e70e8bf0c646a0
PDF
Publication page325a9b992a37e37adcd7d1c54a26af5bd1811b3502960ef78aada483ba6e1d58
Manifest325d361576086f34098ccb199faa5db0c283dfac57cf8833fc89ce23d8684891

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
SignatureOWIrFa5aprgfMgN44qaSLejzqjid9akDGBzNkC76c6PlrK+jbRlEst4jkl1KwbnyfqKfBus7Dd27M8Te3f17BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:29.704474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101888
observed 325a9b992a37e37adcd7d1c54a26af5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.685325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101888/manifest.json
observed 325d361576086f34098ccb199faa5db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.666687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101888/publication.md
observed 3ecbd7d0bde441dea29ce91726df37da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:29.647654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101888/publication.txt
observed 17999e22a35058ea4075ad9d669ff883...
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.