OpenTechnical

OT-2026-000095583

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000095583) never changes.

Identity and time

Publication numberOT-2026-000095583 · never reused
Internal UUID01a0ae9f-8f75-7adc-b27d-30f765975422 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095583
StatusPUBLIC

Content hashes

Canonical text2ea29490c30a469bea6ef17d2521a1457c6d0dfb784b34f17184fa9852032617
Markdown2b7d04b7c3b4fb6a50dffe27be09803185869c344fcd8f7c20541655d6da1abb
PDF
Publication page4f97d4a708b71860d7a362c9884a8c10d40293ad04757ca4a9d5596fe15559a9
Manifest88f5637d7bbef2710ba7ea1a5a61fbd95f31d9859e4d13f713c7091b06c40270

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
SignatureZgGqBIFhl85YmnfXtOFnBuFeIuTMiHog7Itjrw0X3uAOEBLx8sd0K0hX+78+rKW5b39MkQG/JIWbBzLcrzxwBw==
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

2026-09-17T09:37:00.159124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095583
observed 4f97d4a708b71860d7a362c9884a8c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.142437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095583/manifest.json
observed 88f5637d7bbef2710ba7ea1a5a61fbd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.125695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095583/publication.md
observed 2b7d04b7c3b4fb6a50dffe27be098031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.108909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095583/publication.txt
observed 2ea29490c30a469bea6ef17d2521a145...
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.