OpenTechnical

OT-2026-000081080

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after 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-2026-000081080) never changes.

Identity and time

Publication numberOT-2026-000081080 · never reused
Internal UUID01a0ae96-b976-740c-a1b7-6f65cbc61f21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081080
StatusPUBLIC

Content hashes

Canonical text43bd552d15fe6318859061d67b4d3c7ad51e2b909df0d3678c3e23775ea8383a
Markdown9d44981228fed90ec27783e9910e4e75b65317d1455b36ba952f07f99df3faf8
PDF
Publication page32ae68656aa91319ebe11c05978a78abef5afd90c8c30c8ace6464ffad05bbd4
Manifeste55bdd480f0b3e2a444f4194ae1d08120939ce330632f5daf381fa02b517adf4

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
Signaturep6d0YtVDcaMXs2WBE5F0Oss/VQ5rTt2B2HXF1/tiCREWqCVpz6vPpPWcw4j7MQMdJ7p/0opV7NMYqoaaWBDnAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:22.832341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081080
observed 32ae68656aa91319ebe11c05978a78ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.814664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081080/manifest.json
observed e55bdd480f0b3e2a444f4194ae1d0812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.797581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081080/publication.md
observed 9d44981228fed90ec27783e9910e4e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:22.780742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081080/publication.txt
observed 43bd552d15fe6318859061d67b4d3c7a...
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.