OpenTechnical

OT-2026-000078961

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078961) never changes.

Identity and time

Publication numberOT-2026-000078961 · never reused
Internal UUID01a0ae95-ccbe-7947-8a47-fe5f31eae744 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078961
StatusPUBLIC

Content hashes

Canonical textb175788d021c87abc4adbd175a8efd5294a60c3a07bf2ebeef6bae184b52cdf9
Markdown4fa3c8816da54862e4e9db1275c3233ef9a5330b6daddaf0c9957bcda37ca283
PDF
Publication page278cebbff3061d02158dd894e1915265db68004958edb2f33967aa0806f48b5e
Manifest2f2ff0ee9e4ea942a2973fc1c1e34159d6ef78584f86045618c70588b383a5f1

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
Signature8H+LqWsXANMktFRE6EBFZ+nR3B7kbn1Kt6nj1cm6z4g1kT38LEUeC3soFxwS+dI+5PT8gmmbEnKL48o3XJcmDQ==
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

2026-09-17T10:05:47.260697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078961
observed 278cebbff3061d02158dd894e1915265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.240075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078961/manifest.json
observed 2f2ff0ee9e4ea942a2973fc1c1e34159...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.220942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078961/publication.md
observed 4fa3c8816da54862e4e9db1275c3233e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:47.201555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078961/publication.txt
observed b175788d021c87abc4adbd175a8efd52...
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.