OpenTechnical

OT-2026-000074580

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000074580) never changes.

Identity and time

Publication numberOT-2026-000074580 · never reused
Internal UUID01a0ae93-717b-7d99-8478-fa668b233717 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074580
StatusPUBLIC

Content hashes

Canonical textd8743592766a581d4ea2af321c4562b5bfbea5315583fdffb8957fb28b42ea9c
Markdown195e854118a61c063b7d3035dfbb2a5e688fccb0ddfbe2a7f45704fb5fce8ffb
PDF
Publication pagead3886c9015d61ecf3b59a7bd39db6ebba4f1d12581f77246f8f60b222b97bda
Manifestdf26a51f4485aa32da30be55d9813d7de5db60b41d19c78eef20ba78a7f566c1

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
Signatureh7PVLE/SFmmixb/LQ6SDw9Ws78FB/ETTN3mlSl3GVZuNhpvmYBmdANkRRBcKggZOihKRHpML2dZjO/vyS8YgCQ==
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

2026-09-17T10:19:35.999967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074580
observed ad3886c9015d61ecf3b59a7bd39db6eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.982398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074580/manifest.json
observed df26a51f4485aa32da30be55d9813d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.964149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074580/publication.md
observed 195e854118a61c063b7d3035dfbb2a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.947543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074580/publication.txt
observed d8743592766a581d4ea2af321c4562b5...
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.