OpenTechnical

OT-2026-000074191

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074191) never changes.

Identity and time

Publication numberOT-2026-000074191 · never reused
Internal UUID01a0ae93-7178-746a-bd24-ff7b8feb415c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074191
StatusPUBLIC

Content hashes

Canonical text50dc18a034343267a1e2b012100cd8f908c9ed2832f4b0b76cf9273d92f35905
Markdownf31a3738265449a9dadf117db49b418928a5add73778c8e495bf8e42684f1c5c
PDF
Publication pagee23bcf9d2435359bf2b99f013908bb46b84f7307dbb30c374be79076d0a752b6
Manifest035f1ccfe374eb5bd951d4832f891c7a4ff6141a6150eb4d1b466aea464cb1c6

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
SignatureOlt275RFGQ+4f5SN9axtVdfCsmnrrbm7skZeOXNnnkyCCjIL+tEnIioTfoXzjz8DsQMMsl9Qu90krY06aAswBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:02.731287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074191
observed e23bcf9d2435359bf2b99f013908bb46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.714596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074191/manifest.json
observed 035f1ccfe374eb5bd951d4832f891c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.696788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074191/publication.md
observed f31a3738265449a9dadf117db49b4189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:02.680117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074191/publication.txt
observed 50dc18a034343267a1e2b012100cd8f9...
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.