OpenTechnical

OT-2026-000089818

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089818) never changes.

Identity and time

Publication numberOT-2026-000089818 · never reused
Internal UUID01a0ae9c-428c-7793-836e-ae40b4812ec2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089818
StatusPUBLIC

Content hashes

Canonical texta38293eab6fd60fecf862224c6d6c4679a4be3723eeb81c5cedf654893983615
Markdownf803c0566cf5f93ecf7868ffe077c72422d16d35a617cb19158f182b7eb8c3a7
PDF
Publication page5691693984f8b77eafa68ef2421d53e9e39fdc7d2df8ae83cdd94e800103ef05
Manifest23466d92701eca3c3fc2f2c429e90d6b9ff480795122b87f8e2cd057768b8a7e

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
SignatureoOrivdHgNaVAA87UjCdpRTJ7yDU8tVQz6nbP4+FUFJXfiFyd/zvaZVC1/i1M9zekZUzG16amUKEwNxQTKd4CAQ==
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

2026-09-17T09:45:03.359931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089818
observed 5691693984f8b77eafa68ef2421d53e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.344145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089818/manifest.json
observed 23466d92701eca3c3fc2f2c429e90d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.325622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089818/publication.md
observed f803c0566cf5f93ecf7868ffe077c724...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:03.309303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089818/publication.txt
observed a38293eab6fd60fecf862224c6d6c467...
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.