OpenTechnical

OT-2026-000091149

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000091149) never changes.

Identity and time

Publication numberOT-2026-000091149 · never reused
Internal UUID01a0ae9c-f16b-7095-9649-88a694454e82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091149
StatusPUBLIC

Content hashes

Canonical text64ad0d58baf49be6ce244922f0ca1c116dfc20e69b25b642f6eea4fa20e005f7
Markdown587bd4d379d24188e77392431f5c24b7a4743f585ad6f29167e769b237a45796
PDF
Publication page8b208eab3c6eaaacc2bda5c2310fac499902e97ab43321d555b0150fe16bc02d
Manifest8856fb996f9b4d9cd2303c7b8f94733cafc49bb8cacb7711e53e82f0d5777b25

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
SignatureguWXEWvCdGN/4PO2YZElWq11y7hkf3c+cthLHjJ/Nr2e/aDXdzycANm5d3OKdxSN89vsg9q4K4KBv6v34Il5CQ==
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

2026-09-17T09:43:12.866943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091149
observed 8b208eab3c6eaaacc2bda5c2310fac49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:12.849401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091149/manifest.json
observed 8856fb996f9b4d9cd2303c7b8f94733c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:12.831180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091149/publication.md
observed 587bd4d379d24188e77392431f5c24b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:12.811949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091149/publication.txt
observed 64ad0d58baf49be6ce244922f0ca1c11...
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.