OpenTechnical

OT-2026-000041231

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000041231) never changes.

Identity and time

Publication numberOT-2026-000041231 · never reused
Internal UUID01a0ae79-b143-7079-a572-f1043d5c45fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041231
StatusPUBLIC

Content hashes

Canonical textab5cc81931f9c2ab85ec5956751462b21b5c5e74a7c50b4bed9ff0fe069c7125
Markdown51b6feccc9b6bf6f8519050b0b4a866def6c95328d33f5bed7833dd321f891cf
PDF
Publication pageac009864ad9d76eb0bbe667a46507ce27190564a3d68744d55f26861100ddc49
Manifest727fd8948d1a115a674a8000104a363f34fb50b3732b9b87d452b6e9a507f781

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
SignatureK9r4boHik9uUpiD+vp8YbYG94oMR2AFbifuQtsB8RvCJS2ZacVU8J4W4faXKcVnHsllYN1L8UCf9h2YD7hgYDQ==
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

2026-09-17T11:17:11.755512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041231
observed ac009864ad9d76eb0bbe667a46507ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.737992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041231/manifest.json
observed 727fd8948d1a115a674a8000104a363f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.718606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041231/publication.md
observed 51b6feccc9b6bf6f8519050b0b4a866d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:11.695640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041231/publication.txt
observed ab5cc81931f9c2ab85ec5956751462b2...
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.