OpenTechnical

OT-2026-000074653

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold 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-2026-000074653) never changes.

Identity and time

Publication numberOT-2026-000074653 · never reused
Internal UUID01a0ae93-ac2b-7d15-a9c0-319f978640f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074653
StatusPUBLIC

Content hashes

Canonical text30d44fc42b8ce2a2fe77b6e9c0f69ec8d9f98a84e7672106ecf07da25ed976c4
Markdownb9d58d69d1899af1916521b32db84df8beafb14280667e46c52f2f5d6adfb91e
PDF
Publication pagee997acb2f8794d76d391371e96b883844bca5c8bdedc57d0523a398da1e954fb
Manifest0d570c68ef18676b3b6e32c00afd21ceb4569d6c0c12308bf2120e1ff943b66c

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
Signature4oOFvBnaI+0vzZ3rFANF0sasG+qpDjnBsgYsNk/GGt4y8qGWwc5mVC/yuCNcfuzziyIF/eezvlI9Vkip+R7BBw==
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

2026-09-17T10:18:13.731126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074653
observed e997acb2f8794d76d391371e96b88384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.712295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074653/manifest.json
observed 0d570c68ef18676b3b6e32c00afd21ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.693083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074653/publication.md
observed b9d58d69d1899af1916521b32db84df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:13.676029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074653/publication.txt
observed 30d44fc42b8ce2a2fe77b6e9c0f69ec8...
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.