OpenTechnical

OT-2026-000089661

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089661) never changes.

Identity and time

Publication numberOT-2026-000089661 · never reused
Internal UUID01a0ae9c-1a22-728f-936e-dae9f70abbe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089661
StatusPUBLIC

Content hashes

Canonical textc5e6b24813da53427992712bb14b270ed8a02694b20bcc68df38e10658b51ea1
Markdown1fed817dc25009860148368ce51015b3648805ccff1ba895b70da581a2ad4e25
PDF
Publication paged3a76bf8e86c36e0ce02de86eadb97fa65810ed76b85f4dcc2f8c263f638fe3f
Manifest3354555f0c377f1722bee97234aef1f794b94d0ba9d50a6080a985b0e8e40e8d

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
Signature2AAfL6JovNHxfYsdcteGAGthyks/VAu7dYXY/Pare7epeQ9lbUIBF/I79hoDwzreoHaKaw+Z2uu5AncMHSG3AQ==
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

2026-09-17T09:46:39.270185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089661
observed d3a76bf8e86c36e0ce02de86eadb97fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.251330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089661/manifest.json
observed 3354555f0c377f1722bee97234aef1f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.231133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089661/publication.md
observed 1fed817dc25009860148368ce51015b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:39.212330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089661/publication.txt
observed c5e6b24813da53427992712bb14b270e...
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.