OpenTechnical

OT-2026-000088558

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088558) never changes.

Identity and time

Publication numberOT-2026-000088558 · never reused
Internal UUID01a0ae9b-8f0e-72e2-b6ee-1ca1fd3f142a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088558
StatusPUBLIC

Content hashes

Canonical textcd83f74ba2160200f6dbafc30c380ebc0de29719bc8018ab184811ec59b26435
Markdownb082a5098c0ded8d036212d7c56c0cacbf600631eb12777818f447f6dde8a9ee
PDF
Publication page7905f7a708644d3d9a59caf096de8a8480b4d1f78841748af8f539d72fb1d4ee
Manifestb300a6430b650242e47bc724f42067eb317c42ea062879de5bfd7f87ef9958e1

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
SignatureLGROUbYG1bPSA00p8rD/vJzrjDcCEgLDP6xxlo9Mn9Zj+i7H3tdfywUW6LRFC76RsQRFaXT7ZgbUXDxniK4mCw==
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

2026-09-17T09:47:43.981105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088558
observed 7905f7a708644d3d9a59caf096de8a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.962651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088558/manifest.json
observed b300a6430b650242e47bc724f42067eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.943332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088558/publication.md
observed b082a5098c0ded8d036212d7c56c0cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:43.923818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088558/publication.txt
observed cd83f74ba2160200f6dbafc30c380ebc...
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.