OpenTechnical

OT-2026-000079417

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000079417) never changes.

Identity and time

Publication numberOT-2026-000079417 · never reused
Internal UUID01a0ae96-0b91-7fa3-80bd-f1427da7edc7 · 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-2026-000079417
StatusPUBLIC

Content hashes

Canonical text43e4d3e7b5740ee35077c01bb142df5bff272333cab3e5458e2a1526a22f2e90
Markdown9914bc3d8f0225cfedb786d894cb96d60854c4692bb2e00216aff62821237256
PDF
Publication page668cb1b5643687fe5e36b72b70a5f46f13a0c29501c5f84ebc8f5ba22f00531f
Manifestec581f2987e53aeeb6b194e19ded1d4ed1a87d469736e4e221059f6609d601d3

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
SignaturetFw+YudvDVFPbIl8SH+6x5qftPviGvunY+wOux6e2oTMvMaw7QGaj2veQaWY2b5n/lPIl/eQQhcO5U2uiglaDQ==
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

2026-09-17T10:04:43.659035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079417
observed 668cb1b5643687fe5e36b72b70a5f46f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.643078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079417/manifest.json
observed ec581f2987e53aeeb6b194e19ded1d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.625234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079417/publication.md
observed 9914bc3d8f0225cfedb786d894cb96d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:43.608216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079417/publication.txt
observed 43e4d3e7b5740ee35077c01bb142df5b...
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.