OpenTechnical

OT-2026-000074709

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074709) never changes.

Identity and time

Publication numberOT-2026-000074709 · never reused
Internal UUID01a0ae93-ac2b-753d-bb2d-179a50716ee1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074709
StatusPUBLIC

Content hashes

Canonical textb3791823dcb905ba38b09cfd5081591ce659f320c3030b3f76a3bf1920ebf186
Markdown9cbdf88f58c2168b9af4af129167887868ff6ae6215233d3fac632f83b81308a
PDF
Publication page1fcc1b190c5c936aad6f1ac94238644627b835f92d2c9464bb3423475150404c
Manifest0b61e43790b736bd556dbc063ac8ecaba200a81610ffb74b5c503ee6e6b8f850

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
Signature8iYJiAa618UcxJ+KXNBzhZhLvgNvOTeDkloqKQxTTHJZPu3I7vKWdIvs+gY4+Czc/FwuS/k/50PB8BgxGA8RBQ==
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

2026-09-17T10:18:18.119453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074709
observed 1fcc1b190c5c936aad6f1ac942386446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.101304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074709/manifest.json
observed 0b61e43790b736bd556dbc063ac8ecab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.081651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074709/publication.md
observed 9cbdf88f58c2168b9af4af1291678878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.065572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074709/publication.txt
observed b3791823dcb905ba38b09cfd5081591c...
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.