OpenTechnical

OT-2026-000069224

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000069224) never changes.

Identity and time

Publication numberOT-2026-000069224 · never reused
Internal UUID01a0ae90-b528-7c11-9f14-ae68789f3110 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069224
StatusPUBLIC

Content hashes

Canonical text869bb26390a6e331cee83a173546e62795a3ba02d5ab4cbf75e51fa540020081
Markdown76f291f1926468c749374409023a210fc8d43cc2fc169995caadfcacb9ab45b7
PDF
Publication page95b665ee220e3bd7b6cdeba15ad19036013a5008a0223bf0ef636c44a057f765
Manifesta38be1c6c4be37669b295fd1a68f490153600e665bf2119930dc452819602c9a

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
Signatureon6DoTaP+AUjqs76bpgG+algqRNDEIAyyToE9qMwhvgEbZFAhnHj805dH0+tf6b+pvpWnvsrAjeIGSoLN486Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:17.431561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069224
observed 95b665ee220e3bd7b6cdeba15ad19036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.413613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069224/manifest.json
observed a38be1c6c4be37669b295fd1a68f4901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.397145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069224/publication.md
observed 76f291f1926468c749374409023a210f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:17.380473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069224/publication.txt
observed 869bb26390a6e331cee83a173546e627...
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.