OpenTechnical

OT-2026-000029516

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000029516) never changes.

Identity and time

Publication numberOT-2026-000029516 · never reused
Internal UUID01a0ae73-5e21-7519-9bb1-a86780dece66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029516
StatusPUBLIC

Content hashes

Canonical text31728d4d81eb0b3d35930f800043d3cc82595753f04d1751fa4235ba979a5b67
Markdownbd28dfda4a6d3fc1675c91c63aeb2d5f227d2889e2b66c716c11b6f33e0655ef
PDF
Publication page2b3788480eef116d70f030d1adef65e9795b3915144b4b33e2ec7bf5549f75d6
Manifest0afe6fddcf6a7f5926692847b6760f12e13e0a915a3831cf4a0308be61a46244

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
SignatureP/tbwfOl+hw+FnCzLNOzW3HOPnJ8iNAvdvwmYXfpm5ZXLWrDkMATGcisivQLAOuPaqm/c8byjp7rpNhKFhwtCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:09.571306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029516
observed 2b3788480eef116d70f030d1adef65e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.553523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029516/manifest.json
observed 0afe6fddcf6a7f5926692847b6760f12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.534517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029516/publication.md
observed bd28dfda4a6d3fc1675c91c63aeb2d5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.517607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029516/publication.txt
observed 31728d4d81eb0b3d35930f800043d3cc...
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.