OpenTechnical

OT-2026-000079693

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000079693) never changes.

Identity and time

Publication numberOT-2026-000079693 · never reused
Internal UUID01a0ae96-4375-7ebd-8247-27e02e8a0140 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079693
StatusPUBLIC

Content hashes

Canonical textd23aded3a8e90111ee199eb8ac850913f3ee973e46ad602bf4cd264a2749bd5f
Markdownee56b512475025797c4f36c14739ad8ec2a0de04c2e8c1b83da2d7157053bd6f
PDF
Publication page37d0d8b08413aa3816448c0ff5f3bb736bb284884c016c4a7dc6a4cc9b050ece
Manifest00921d91d36f307d065ca14f45b67a74d0198823960c28d273a2f7e4b1210437

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
Signature3KgTe+Ru3Z0zpyaGo4uIktDqRaanVkRhv1XfGbcyYyg8QWx6iewzLZDN9JnuQj7RgTRIWye+xh9INHDEE/g2Bw==
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

2026-09-17T10:03:27.930649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079693
observed 37d0d8b08413aa3816448c0ff5f3bb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.911952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079693/manifest.json
observed 00921d91d36f307d065ca14f45b67a74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.893506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079693/publication.md
observed ee56b512475025797c4f36c14739ad8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.876442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079693/publication.txt
observed d23aded3a8e90111ee199eb8ac850913...
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.