OpenTechnical

OT-2026-000067237

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000067237) never changes.

Identity and time

Publication numberOT-2026-000067237 · never reused
Internal UUID01a0ae8f-6bd5-7838-aef7-adb03ee30b50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067237
StatusPUBLIC

Content hashes

Canonical textf98a252416b3123d09692c66f5252c5de06a97003954b55cc46a4924b45a055c
Markdowne0ee616ae22bbc91d7ccc71812f678879ee069e4a0c3a82e559e597c75395487
PDF
Publication page6996c3614fbe2adf8dc3ac689d7c52e66c26a8cf6342fe86a956ddefad6af702
Manifestebb11e3eb800effbf1e1aee845f976391e8058ec02453b9fa06405f397a6a4a1

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
SignatureiWnWIqBWxo9lIcL55snMtpO7y2z3n9kIOhK1C2CTNjrNF4RIsGVKG3Ae49JIfTIpbpzeS8WYW5qcjDG4HDmnDg==
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

2026-09-17T10:30:54.489359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067237
observed 6996c3614fbe2adf8dc3ac689d7c52e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.470937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067237/manifest.json
observed ebb11e3eb800effbf1e1aee845f97639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.451019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067237/publication.md
observed e0ee616ae22bbc91d7ccc71812f67887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.430400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067237/publication.txt
observed f98a252416b3123d09692c66f5252c5d...
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.