OpenTechnical

OT-2026-000045155

Publication integrity record

Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000045155) never changes.

Identity and time

Publication numberOT-2026-000045155 · never reused
Internal UUID01a0ae7c-f769-7577-9b0a-8a9861290439 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045155
StatusPUBLIC

Content hashes

Canonical text63fe5d90905118dd55c32b559dff109974be59a47ee866becb81b8650621fbe8
Markdown959f88d67d33cc4c9e442aab7252f6d4b173aba2473fa45c535d1767265a1d96
PDF
Publication page41644eb322e617e765914c653be8416c318435b3539286073eb1a51895f5c1fc
Manifest4a0708bdc8f4687de92cbfe98a78157ec9bc1fa8782803d4f9a7d1baf8cd757b

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
Signaturevp84P9vIihgSMz2SO/87Qcto7vjqQpMKPRK3xjFw5uvKGEJudix+PyDD0UQgZ5ZmgMg9oqUFkxp4znvMUJqbDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:18.704420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045155
observed 41644eb322e617e765914c653be8416c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.683031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045155/manifest.json
observed 4a0708bdc8f4687de92cbfe98a78157e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.664399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045155/publication.md
observed 959f88d67d33cc4c9e442aab7252f6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.643108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045155/publication.txt
observed 63fe5d90905118dd55c32b559dff1099...
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.