OpenTechnical

OT-2026-000061020

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000061020) never changes.

Identity and time

Publication numberOT-2026-000061020 · never reused
Internal UUID01a0ae8b-12f3-79a9-96b7-db98965ba6c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061020
StatusPUBLIC

Content hashes

Canonical text958722460c3f602e1670cac4ba20ef0d9c22f27867ccd95bb088198dde4a64ed
Markdown7f28fd377b08c4e8e9c55fc15d3b4d3e612ed066043efb3a2e9a31c78f93074e
PDF
Publication page840306117dd2d4645b9a06b002e6fe8738e728ac3aa8e1d210a2b3eb99b18201
Manifestdcddc3d791ecda5ec3e2a6d0e3a40b95a38d59e6c115d84d6c6d0794621af96b

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
Signature0hIyk8j1ZB5zzVVQYAsC7prm4JnF5b7eN+aB+Y2/WBdqPiyoZNjUWmxxZ5Ci59a98H/OHN624j+IFOPctGYSDg==
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...

Independent retrieval

2026-09-17T10:42:21.854190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061020
observed 840306117dd2d4645b9a06b002e6fe87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.833540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061020/manifest.json
observed dcddc3d791ecda5ec3e2a6d0e3a40b95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.814587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061020/publication.md
observed 7f28fd377b08c4e8e9c55fc15d3b4d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.795341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061020/publication.txt
observed 958722460c3f602e1670cac4ba20ef0d...
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.