OpenTechnical

OT-2026-000094221

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000094221) never changes.

Identity and time

Publication numberOT-2026-000094221 · never reused
Internal UUID01a0ae9e-92cc-7fd7-a133-ff73e01aa715 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094221
StatusPUBLIC

Content hashes

Canonical textf249ed688b06d678820c84aa0aa50437b6ba2235c99e3e52b4a00076c29bebdf
Markdown009058aae2948118a9255dc119a0c5e45dd254fab28be543e530639dfa7a3221
PDF
Publication page5f9f2c68f20ad4980d1ffc469d5c74af9b555d6891a2440cc8d328b203b4d7cc
Manifest9c63c22709e8ac4d271d686747dd8f66ef49af5e0261fa68dc14be6ed57092b4

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
SignatureQVaYPDnRutWrLj0ExA4Fva95yQ6nixSZqsJbm90Ir3ypLaqhVpohIMQHfpjlixt/N2hCnxCb28Iv6QKFMtaoDg==
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

2026-09-17T09:38:41.836138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094221
observed 5f9f2c68f20ad4980d1ffc469d5c74af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:41.810090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094221/manifest.json
observed 9c63c22709e8ac4d271d686747dd8f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:41.785995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094221/publication.md
observed 009058aae2948118a9255dc119a0c5e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:41.769115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094221/publication.txt
observed f249ed688b06d678820c84aa0aa50437...
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.