OpenTechnical

OT-2026-000070765

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000070765) never changes.

Identity and time

Publication numberOT-2026-000070765 · never reused
Internal UUID01a0ae91-8c2c-761c-993a-d358966ebdf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070765
StatusPUBLIC

Content hashes

Canonical text26b03e1605262fcbbe753206d4bc72b315a7e6bafa594db97bdb28a4bf0663e9
Markdown18e24d3d7664f92f76609fd8a08b3c6a3d98da69fffdc5d08ed623b1ca5de742
PDF
Publication page85e0d8d705dd262f79e71f3c7f279af7ce7d649032ad4e86d9ef062edbe00f91
Manifest47cea274e0a97ffa09dbeddb1569f32e7f8ef5826c1de81e44a2f0f865357615

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
SignaturehWAO43G6yM2jSDcKLTboE+ZNG435xDVvWVY8sKNVtA6iGbh571NIe+vh7+fwfiu57ScPpsx9qgq/byaTB3z1Aw==
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

2026-09-17T10:25:27.843830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070765
observed 85e0d8d705dd262f79e71f3c7f279af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.828194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070765/manifest.json
observed 47cea274e0a97ffa09dbeddb1569f32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.812844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070765/publication.md
observed 18e24d3d7664f92f76609fd8a08b3c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.796187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070765/publication.txt
observed 26b03e1605262fcbbe753206d4bc72b3...
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.