OpenTechnical

OT-2026-000104047

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000104047) never changes.

Identity and time

Publication numberOT-2026-000104047 · never reused
Internal UUID01a0aea5-341e-7b22-875c-6913b2ba3013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104047
StatusPUBLIC

Content hashes

Canonical text134ebffb334721feee9e0e448263a71d66e6fa14262643a9e29cb8f34f08cb3a
Markdown36f1709faa6f1a75341cfd70f0fcde44ee305f8713c64fc504a492b34d5ff37d
PDF
Publication pagee1d7bfe83e9cc2336a6493c91c3af3a6d3ed20d3e36e36d6d582404331801321
Manifest35add98cfd384db21dd3fd50858744752733335724b546e4476bc48dee7eb361

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
SignaturevWE/C31VUitk1ECuSVokkVHdt3j44CCbsk6kJvCcj2uyKG3T6+7WAEmM9iRH4L6oO0s7tj4ZdI3GS7zF4c8YCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:06.833185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104047
observed e1d7bfe83e9cc2336a6493c91c3af3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.815289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104047/manifest.json
observed 35add98cfd384db21dd3fd5085874475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.795838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104047/publication.md
observed 36f1709faa6f1a75341cfd70f0fcde44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.778602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104047/publication.txt
observed 134ebffb334721feee9e0e448263a71d...
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.