OpenTechnical

OT-2026-000082221

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, sustained 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-2026-000082221) never changes.

Identity and time

Publication numberOT-2026-000082221 · never reused
Internal UUID01a0ae97-4d94-7a0b-a4b8-316575b77c1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082221
StatusPUBLIC

Content hashes

Canonical text0a9f37f4b5a846c72950a9087c456d1aff2d06975f0ced87a33ee26f6cca9480
Markdowndcab4770689d558971e00c107c15caf88b1403c8fcf448b40b7c7def3c1246f2
PDF
Publication page3119666cafbbe256ac49fdd4cca48d7ad8d77b0c3fae1030d835f7b6293ae0f3
Manifestccb26718968a6e3ea65cb943231394cfb7c6b18bb4ebe8303126861b2f10603c

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
SignatureGLeXyWC4X/WEMPRVuKpABZmqFncCsvF0NlRPKiSCje6KlLM0nIA5b3MknAoKDec9HLAHP76v2pEcyT21NyKtCQ==
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

2026-09-17T09:59:03.683168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082221
observed 3119666cafbbe256ac49fdd4cca48d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:03.664768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082221/manifest.json
observed ccb26718968a6e3ea65cb943231394cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:03.648116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082221/publication.md
observed dcab4770689d558971e00c107c15caf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:03.628668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082221/publication.txt
observed 0a9f37f4b5a846c72950a9087c456d1a...
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.