OpenTechnical

OT-2026-000030710

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000030710) never changes.

Identity and time

Publication numberOT-2026-000030710 · never reused
Internal UUID01a0ae74-3fb3-76ca-bc94-621a854bd717 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030710
StatusPUBLIC

Content hashes

Canonical text0c19fc89bed86633d167d9c33897ce48c71693aeb6ebae8aed09f83dd0deae4d
Markdowncb51829584bfc76b65c5ae88031d35346aa47009c83479be24b053692dbe7572
PDF
Publication page398d6e5213459775b8b0ed91812f5798eb79a22423ac7af21bb5559a9b9e6ded
Manifest3930b4475aeaadf40531ca522e4b84ec59db5fec963e7107a72e377200563e11

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
Signaturee87uZaatAEc/HXApDAVCyHUf2a32Fc6dgvoEsGsxeF/tXE0jnqskhqbBOm1rUZKFG+GzOsNgIDw2cudp8NmkDA==
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

2026-09-17T11:36:38.010913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030710
observed 398d6e5213459775b8b0ed91812f5798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.991143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030710/manifest.json
observed 3930b4475aeaadf40531ca522e4b84ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.969475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030710/publication.md
observed cb51829584bfc76b65c5ae88031d3534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.920225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030710/publication.txt
observed 0c19fc89bed86633d167d9c33897ce48...
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.