OpenTechnical

OT-2026-000031026

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000031026) never changes.

Identity and time

Publication numberOT-2026-000031026 · never reused
Internal UUID01a0ae74-3fb7-7954-bb07-9a877ec12d6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031026
StatusPUBLIC

Content hashes

Canonical textf60558e8574e778498f3474499087d06159c6493bea2e96574314129b230cc33
Markdownc317c1b1507916e032b21f127214fa5ce5900f9d10beed820db2ec7b8637bbed
PDF
Publication pageabf49b9ccd111934338354fd512923c94e6b76b8a3bad02ebee16f0410eb9e11
Manifest19be3b519446330b89a6ecab7e361ae8dc51122ca141aee0c9b7fb2d826d8466

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
SignatureqzMtWgt+d58n2Q8p16QoXtgZPSMXwxnFgRDq6Z274PavVprjiO4Ag8rylgLMCNB6PUCR8CiBQSXIzegU6sdbCQ==
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

2026-09-17T11:40:07.326734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031026
observed abf49b9ccd111934338354fd512923c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.305802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031026/manifest.json
observed 19be3b519446330b89a6ecab7e361ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.285847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031026/publication.md
observed c317c1b1507916e032b21f127214fa5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:07.265268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031026/publication.txt
observed f60558e8574e778498f3474499087d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.243799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031026
observed abf49b9ccd111934338354fd512923c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.226731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031026/manifest.json
observed 19be3b519446330b89a6ecab7e361ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.208742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031026/publication.md
observed c317c1b1507916e032b21f127214fa5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:36.188603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031026/publication.txt
observed f60558e8574e778498f3474499087d06...
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.