OpenTechnical

OT-2026-000089225

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line 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-2026-000089225) never changes.

Identity and time

Publication numberOT-2026-000089225 · never reused
Internal UUID01a0ae9b-db00-72ea-9fb7-5f38f111a9ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089225
StatusPUBLIC

Content hashes

Canonical text93664092a1e0e8a3e48cccef1b572a6a74ee02b20049ef94f7b6b303169c101f
Markdowna2eb44953a748a82421c2effd253f2e0b186cd63bebf73124d9eca45cbfd21aa
PDF
Publication page6fdfaac0d3d51e8eb1d80c5b39785048ab9a835bc52d8c6a605c59e5ecb008af
Manifest180d735b635c342491c31235529f1ada7ec5cfeb12b2917e0942f890f1a9276f

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
Signatureqr09ZY770zLWA2qLB1voNPPNi3S9/dQctWurErIN+ID1acpn3wsmprV4rzt3aQnSJ2N0ChXiS5xKuubAEfMICQ==
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

2026-09-17T09:47:15.030405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089225
observed 6fdfaac0d3d51e8eb1d80c5b39785048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.011991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089225/manifest.json
observed 180d735b635c342491c31235529f1ada...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.993105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089225/publication.md
observed a2eb44953a748a82421c2effd253f2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.976429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089225/publication.txt
observed 93664092a1e0e8a3e48cccef1b572a6a...
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.