OpenTechnical

OT-2026-000030709

Publication integrity record

Six cup vacuum gripper, six 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-2026-000030709) never changes.

Identity and time

Publication numberOT-2026-000030709 · never reused
Internal UUID01a0ae74-3fb3-7bc9-8057-01c11dca078e · 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-2026-000030709
StatusPUBLIC

Content hashes

Canonical text9077f1dafb155f1873b13d128a9ef41fab198fc6b0c080c1fbf61c58e3a0dcfb
Markdownd019c36b97063ab6639440fa3795df52cedf7c95b0781df5c9bcc7515018a06b
PDF
Publication pageb0439cfcdd12a2a9310e1177ae895f15adfe6b54f64fc8eabee42f417c544fd5
Manifestc7ce30313eb87f6ecaa23ca921156265d4e96a985f33e7fc9e45811399fe72e0

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
SignaturejacYsx8plUHPphf+Y7/oEfieoMLjdnr7HKCiKksagLMCCe/oPRMZjzN0i0aGZ5rvJVeSJJR0CuwUo88EFGIDCg==
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

2026-09-17T11:36:37.898952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030709
observed b0439cfcdd12a2a9310e1177ae895f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.881446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030709/manifest.json
observed c7ce30313eb87f6ecaa23ca921156265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.862275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030709/publication.md
observed d019c36b97063ab6639440fa3795df52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:37.821126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030709/publication.txt
observed 9077f1dafb155f1873b13d128a9ef41f...
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.