OpenTechnical

OT-2026-000069122

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000069122) never changes.

Identity and time

Publication numberOT-2026-000069122 · never reused
Internal UUID01a0ae90-6dce-7284-a94d-5046cc4083d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069122
StatusPUBLIC

Content hashes

Canonical text4a80ee7e1bb1c447ebfcae88d4b9246fb9a59efa9eedc98c0cc2abd786353e2e
Markdown06f5146962bf0baa312f541bfb68551086a7eec6ccba6c87e8e17112aa28da9c
PDF
Publication page408136ffc894f16c64902752c415f0a0ab04bd13c442fda09c9a5569934c2719
Manifest7a81c0343d9bc3dcac57a20f6f3dadc3fe16ebaad5c933f51a709321e3f4eafc

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
SignatureyCPsnRp1c/DiKJGPbYJjt3v73rHBAeEXqrcIdtmtb35WweKmQUwI5ob6uEBVSqqFuj8/sOxNrOhg14njjoeuCg==
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

2026-09-17T10:29:00.051938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069122
observed 408136ffc894f16c64902752c415f0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.033546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069122/manifest.json
observed 7a81c0343d9bc3dcac57a20f6f3dadc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:00.015094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069122/publication.md
observed 06f5146962bf0baa312f541bfb685510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.997474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069122/publication.txt
observed 4a80ee7e1bb1c447ebfcae88d4b9246f...
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.