OpenTechnical

OT-2026-000055583

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000055583) never changes.

Identity and time

Publication numberOT-2026-000055583 · never reused
Internal UUID01a0ae86-a103-7de5-84cd-9265b36ab0c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055583
StatusPUBLIC

Content hashes

Canonical text84c976b2d9027b091be9bbc10a7520c937e9965fc7df77bd929a603e1d078086
Markdown3a222819aad57d402316d2abcac965fd57ace4049eaf624d04f7c0a311213b55
PDF
Publication page289c0944af34aefa600be1f15a00c53161e0ce40347dfbc6248bc917df20c032
Manifest14e3b20669e03431da28428e3bfb27297367219134992bbad5442b44673e7d77

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
SignatureJGxAI6K0NRLzR81ObJVxbnvsjjh1ORdm/Ck7OgRuo7Kw5kf4/DtBkiL1pr602m9K8VgpeRQqZz12JEuPxqDoCg==
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

2026-09-17T10:52:49.231522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055583
observed 289c0944af34aefa600be1f15a00c531...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.211805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055583/manifest.json
observed 14e3b20669e03431da28428e3bfb2729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.191909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055583/publication.md
observed 3a222819aad57d402316d2abcac965fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.169973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055583/publication.txt
observed 84c976b2d9027b091be9bbc10a7520c9...
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.