OpenTechnical

OT-2026-000073153

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, supply line 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-2026-000073153) never changes.

Identity and time

Publication numberOT-2026-000073153 · never reused
Internal UUID01a0ae92-efb6-7127-b38c-6fcf00cfe9da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073153
StatusPUBLIC

Content hashes

Canonical text6ea9d6c63191cd084c59e6ca8ecb728298c72f65ed927b1e3327fc0bc65e66ca
Markdown0cd75f28be9205aa22781473c615d94e77039ad206d1aa9d9fec887efd1a2d11
PDF
Publication page598a7f083c89b44791fb25dec451205b9e843858d0253a53874b34d21650a29b
Manifest2bc89f259d5c64364f137431e7fa72d3c997e9d977f1f0983031c91cdecd846d

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
SignaturekxcW08W7vC0kIWTOImLibuMzztPm8iar4XlB8AT8fLD2q/zOcouxWHbg78umscxiDj0ZGJQPdsFkdugRpMs9AA==
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

2026-09-17T10:21:05.710080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073153
observed 598a7f083c89b44791fb25dec451205b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.687980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073153/manifest.json
observed 2bc89f259d5c64364f137431e7fa72d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.669023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073153/publication.md
observed 0cd75f28be9205aa22781473c615d94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:05.649184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073153/publication.txt
observed 6ea9d6c63191cd084c59e6ca8ecb7282...
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.