OpenTechnical

OT-2026-000069183

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069183) never changes.

Identity and time

Publication numberOT-2026-000069183 · never reused
Internal UUID01a0ae90-6dcf-7c79-a1f1-0e9235a111e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069183
StatusPUBLIC

Content hashes

Canonical text113856455422bb6f2bfee1ea687ae111c6e972f291907b7850c5037f1123d0fb
Markdown26f39016f1ea373d0fdae99924a1802e10c082e4217d293bac950264d70078cf
PDF
Publication paged66434b51c7919e3726f75bd368330983154ac5f783ab7f0046c4617103772fb
Manifest4411c214def1b8d9e07b871d5dfc1a41e98c601d34e381f797591e598bd463b2

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
SignatureBYsLMEHQ5XMcAsYoZa6CpS/4XOuKloQvRMbMx+PPDGrYBlSeimxOc3ZaH1ZrBZotgAFxdfHhhHW5e7eFia8iBQ==
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

2026-09-17T10:29:04.686148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069183
observed d66434b51c7919e3726f75bd36833098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.667481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069183/manifest.json
observed 4411c214def1b8d9e07b871d5dfc1a41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.649894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069183/publication.md
observed 26f39016f1ea373d0fdae99924a1802e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.631742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069183/publication.txt
observed 113856455422bb6f2bfee1ea687ae111...
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.