OpenTechnical

OT-2026-000030953

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000030953) never changes.

Identity and time

Publication numberOT-2026-000030953 · never reused
Internal UUID01a0ae74-3fb6-77af-ae02-c0892620d9eb · 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-2026-000030953
StatusPUBLIC

Content hashes

Canonical text8704a6b2f6f005cf66d486dde5553d7d3a4180cce3e0dad9792ac972f49066da
Markdown2dad24af105dd93da0f7296ed19136e99253b8a9bcd81a3937f58e61bb491ca0
PDF
Publication page472f278b50eb934aaa37bf4490135d25c40aa2c915354b5136d915229cdad849
Manifestbe743055062220ef1ff6c367874e1e6aea1aaafa7eee17f980a7aedde2662b0b

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
SignatureUGJzCfuiFPkaRcrBRNexN7//MndtPMpqUgrGKq6bt68lQ2kUHF/Xz8XCciF0dWZqdD63TEdolegK3UZ5TgiGBA==
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

2026-09-17T11:36:57.179632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030953
observed 472f278b50eb934aaa37bf4490135d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:57.161404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030953/manifest.json
observed be743055062220ef1ff6c367874e1e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:57.142920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030953/publication.md
observed 2dad24af105dd93da0f7296ed19136e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:57.124311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030953/publication.txt
observed 8704a6b2f6f005cf66d486dde5553d7d...
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.