OpenTechnical

OT-2026-000026808

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off 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-2026-000026808) never changes.

Identity and time

Publication numberOT-2026-000026808 · never reused
Internal UUID01a0ae72-3451-75ef-943e-336dbeaba8ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026808
StatusPUBLIC

Content hashes

Canonical text40c448861ac22c9831d4541941345e09599c61f4dfef19299877c8feae1b3f09
Markdown55ccadad8bd1e9b14a103a1bf1f178aa1e44a903afeb06721a2a9b7a860e7e07
PDF
Publication page9527f796de8318ddbe5080430e877848f1ff509dae4cddbb9d63549b61e0b010
Manifestcbbd3395689ccf289711618b5f8bafa08aaf5a0e06fdba3b1213f42c8fddf5a5

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
SignaturevfAIBSxPq13YOHS22oKdy5bPVTw7Y3ujtd2IUQ3rnr7LmmZ+Kmq9oy2nVnp3+UpFFG87RXk0RsmHrmmsAkhsDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:23.282817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026808
observed 9527f796de8318ddbe5080430e877848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.267197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026808/manifest.json
observed cbbd3395689ccf289711618b5f8bafa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.251556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026808/publication.md
observed 55ccadad8bd1e9b14a103a1bf1f178aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:23.234655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026808/publication.txt
observed 40c448861ac22c9831d4541941345e09...
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.