OpenTechnical

OT-2026-000081285

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, sustained 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-2026-000081285) never changes.

Identity and time

Publication numberOT-2026-000081285 · never reused
Internal UUID01a0ae96-f374-7a65-9046-41b5e31248c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081285
StatusPUBLIC

Content hashes

Canonical text129c729c9ab1cf75232356a82998e8f67a239104dc9e6fba528aa461b0a243e8
Markdown56dc91d0d91a39d4000ad9662e54f0a4b20874d5c76d49afe2f075394bf7d508
PDF
Publication page1dcb63a79c68f1aeb6f3d93252391ba6f3c65445aa178612077e870761d93d47
Manifest4612f515d96478d3feef162ba432455ee38c7afc67a85a32b9c30f05ff137709

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
SignatureRBXQcQVzYL638ZGZc5RwsZhh4im+83sdGIivXYnY/MOJVfky2q37Nbynq182FHG8lAGchUQMUz6se/f295qzDA==
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

2026-09-17T10:01:23.491223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081285
observed 1dcb63a79c68f1aeb6f3d93252391ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.472617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081285/manifest.json
observed 4612f515d96478d3feef162ba432455e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.454262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081285/publication.md
observed 56dc91d0d91a39d4000ad9662e54f0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.433819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081285/publication.txt
observed 129c729c9ab1cf75232356a82998e8f6...
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.