OpenTechnical

OT-2026-000079499

Publication integrity record

Three cup vacuum gripper, three zone face, single 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-2026-000079499) never changes.

Identity and time

Publication numberOT-2026-000079499 · never reused
Internal UUID01a0ae96-0b91-70cc-8bc1-d5ffdbac0f07 · 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-2026-000079499
StatusPUBLIC

Content hashes

Canonical text3b768a2816fbc215a7ec8246e622af01a6f2f74ee470afe0c7e50f563db59ec2
Markdownb8af3d51ab4ccd00a1db523960c27f9666dea395a823a8e18948b70ca51f2fd8
PDF
Publication page04bd78bda8e90425da3aac14d1455156748e9bd5958a07749f6cc9af76fc0e9c
Manifest34319bf6f397a933925e9c385d652c864bebf73dfa8021d025866b415b0b82a8

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
SignatureMy9CrZqtMV/Ph4ETPn98exEXHBnpEE1QDn4MeAmMTct+1N12adG2vup4vHck3JXIvTVUGd/taU8gCPNtD9ytAw==
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

2026-09-17T10:05:07.397907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079499
observed 04bd78bda8e90425da3aac14d1455156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.381965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079499/manifest.json
observed 34319bf6f397a933925e9c385d652c86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.362724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079499/publication.md
observed b8af3d51ab4ccd00a1db523960c27f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:07.346150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079499/publication.txt
observed 3b768a2816fbc215a7ec8246e622af01...
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.