OpenTechnical

OT-2026-000056639

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line 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-2026-000056639) never changes.

Identity and time

Publication numberOT-2026-000056639 · never reused
Internal UUID01a0ae87-7af6-7b8f-853b-5093b5e55fd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056639
StatusPUBLIC

Content hashes

Canonical textaf593907b19dfbec3195fff0fdcf17f3ac64ffd8945b88ad22855e89250bdcba
Markdownd14c93e87e6a7ce7573590ded90d15a9b33285d106ba29e74f454cb1c72578f7
PDF
Publication pagea1df8d9f13c21f726de05ae7a72fe187fd16c94374609eafebfc12926c242d38
Manifest18ae6f08d63ade74d8a6d6d970b5261ae4083b18b80fe8525c922b0cefd83a41

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
SignaturepKvbtuc83pq8JGUA6alOqoVByt5o2+AhKS8YCOE2pTh8vxZRKXAHL/Tkoknunxz8MwKOzp+m5lwbpUQIXbCtDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:59.958217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056639
observed a1df8d9f13c21f726de05ae7a72fe187...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.937672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056639/manifest.json
observed 18ae6f08d63ade74d8a6d6d970b5261a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.919343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056639/publication.md
observed d14c93e87e6a7ce7573590ded90d15a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.901328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056639/publication.txt
observed af593907b19dfbec3195fff0fdcf17f3...
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.