OpenTechnical

OT-2026-000079375

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000079375) never changes.

Identity and time

Publication numberOT-2026-000079375 · never reused
Internal UUID01a0ae96-0b90-743e-9bcd-d350cda87fa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079375
StatusPUBLIC

Content hashes

Canonical textbaa2aa1b92b388934117e31cfeee35209be2ce67e9875384937886bb05e026b7
Markdownebc90014a32acbf0df6c4b85740cee6ade61d68736db6e11dc8d4fc53c64a571
PDF
Publication page74019dc644aacc5e1838317cf4d9690a4fc018b161de909e38977a4ddcf1a1af
Manifest42c9a0f572daf7c8d2b7f9d8219769a57708aa986275895735351d5fce5a8aed

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
SignaturerDdHJmlv7cGPe6V0yuYTNJGn8G9HC1wl9O4LB+VWhwg+OcYkXXA6nj2Pb3Rchcb7ZFOWaHhFxnWhhizsTxvGDQ==
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

2026-09-17T10:04:43.013124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079375
observed 74019dc644aacc5e1838317cf4d9690a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.994967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079375/manifest.json
observed 42c9a0f572daf7c8d2b7f9d8219769a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.978060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079375/publication.md
observed ebc90014a32acbf0df6c4b85740cee6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:42.959888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079375/publication.txt
observed baa2aa1b92b388934117e31cfeee3520...
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.