OpenTechnical

OT-2026-000015783

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000015783) never changes.

Identity and time

Publication numberOT-2026-000015783 · never reused
Internal UUID01a0ae6e-0c4c-79c0-89fd-3963bcae8671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015783
StatusPUBLIC

Content hashes

Canonical textb672bb44a310239fd0befeaef0896110312034038d4ba78efc721b12040089ea
Markdown4f154e3be3445f7246287e2dabdb3118db7d20ad5144064be459c747539383dc
PDF
Publication page38df73c9113e9afed79607b000eca42d4124cc98da94df8418c8f88c5310949d
Manifest9d989d6ef9cac68ae96b7f4c453af85eccce4252ccb1cc51e06877e2ae2c3328

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
SignatureZPW+0MqLOqqjFAbEk0+5FOPE+J9GpzePmM97JG4GC7cpiQia2b7CO3ZUADMiVzyiO2Fd/hBZbVP3IhvdtTnXAg==
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

2026-09-17T12:05:05.166603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015783
observed 38df73c9113e9afed79607b000eca42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.149095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015783/manifest.json
observed 9d989d6ef9cac68ae96b7f4c453af85e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.131966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015783/publication.md
observed 4f154e3be3445f7246287e2dabdb3118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:05.113157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015783/publication.txt
observed b672bb44a310239fd0befeaef0896110...
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.