OpenTechnical

OT-2026-000102353

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed blow-off after set-down

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-2026-000102353) never changes.

Identity and time

Publication numberOT-2026-000102353 · never reused
Internal UUID01a0aea4-8589-7b6e-8ec4-13c7b73dee90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102353
StatusPUBLIC

Content hashes

Canonical textf3f827ee3dad4936876007444f43ece855f2245eb7bb3dc0f9d08e06f1a192a0
Markdownb6875a7c42b2165a42eb7bc6fd278f023dc4af8eb2fe4bd0d44dfea93f3c614d
PDF
Publication page113275dc49ac4467f77c5a6f6a4d1220402975078d3834db0e682a064ed2a599
Manifestb66cc5b0ebe5b7ff2ec28ea0e739ea5c1139be140d44935d37f00931253aa28f

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
SignatureD4tT6yjNyGQcrwW980eTCixkcUZ0ewazIl/e0/kBThR84xuU0RUYdOSL4W5DLHR94YUkFdIRfH813X7DUgrfDQ==
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

2026-09-17T09:23:41.320270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102353
observed 113275dc49ac4467f77c5a6f6a4d1220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.301477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102353/manifest.json
observed b66cc5b0ebe5b7ff2ec28ea0e739ea5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.283611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102353/publication.md
observed b6875a7c42b2165a42eb7bc6fd278f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.268147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102353/publication.txt
observed f3f827ee3dad4936876007444f43ece8...
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.