OpenTechnical

OT-2026-000085220

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000085220) never changes.

Identity and time

Publication numberOT-2026-000085220 · never reused
Internal UUID01a0ae99-43ba-7c53-ab24-9cbe5b7fd67c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085220
StatusPUBLIC

Content hashes

Canonical textaca11766dcdd5492c1cd5a51a1c7afccb677d0ff32bcadcb04ce2ca9ccd1baf1
Markdowned40f54c6c12be78fe03e55d7666520a28464220be2b67ba04a05df93120ab69
PDF
Publication page5286abe43113af9255c283c050ca14bcf3cca3ec74573f03c1ab066e02fc01ac
Manifestd19e3a596af0a182866b134c0061d3dc954ea44044359482b36f3e6bc257cba1

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
Signatureo5//ziur1Aq/Y+wXfAhqh2qzfnOYXb8aJsdGgqyzMtO3gPC+AgYzpgH3bvONJK6lBqHz3eBPaMnrlZbXssV0AA==
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

2026-09-17T09:55:17.606410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085220
observed 5286abe43113af9255c283c050ca14bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.586959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085220/manifest.json
observed d19e3a596af0a182866b134c0061d3dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.564643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085220/publication.md
observed ed40f54c6c12be78fe03e55d7666520a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:17.540233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085220/publication.txt
observed aca11766dcdd5492c1cd5a51a1c7afcc...
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.