OpenTechnical

OT-2026-000102248

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000102248) never changes.

Identity and time

Publication numberOT-2026-000102248 · never reused
Internal UUID01a0aea4-50f3-7153-9d13-e7adb5bb6154 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102248
StatusPUBLIC

Content hashes

Canonical text7010730a195c5a4933f73fa75d698acbe12ab5d2a7dcf280398951737d46f48e
Markdown970a41d6f5ef5d8ecd67680854ad730729595ea5380387043986120ebd381d5c
PDF
Publication pageada3cbfe48af52bba88dc447ea778b932f94c0520291ea4b9620919700523581
Manifest92703f230824280e2437bf7ce67663e93be98f04f6f9aed504d687bf263de0d5

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
SignatureYmfTbWSfsdSWGbGHJTdj2OFCCjNTPaANmlKPoL7Poi1qe9xjgzBU3EIMVXjMPd76xUcar4sWNkF339H7y5vHCw==
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

2026-09-17T09:25:25.859733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102248
observed ada3cbfe48af52bba88dc447ea778b93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.841997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102248/manifest.json
observed 92703f230824280e2437bf7ce67663e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.823864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102248/publication.md
observed 970a41d6f5ef5d8ecd67680854ad7307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:25.806994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102248/publication.txt
observed 7010730a195c5a4933f73fa75d698acb...
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.