OpenTechnical

OT-2026-000084099

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000084099) never changes.

Identity and time

Publication numberOT-2026-000084099 · never reused
Internal UUID01a0ae98-5b5e-74f5-87ec-153a4082f5a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084099
StatusPUBLIC

Content hashes

Canonical text1f3d09f3446ba5a0fbcf3cc9bcdf1096c281260ed546f32ae16121d1596726e7
Markdown09a334d2ac9360785fb5740db5db61ea458ea2029840c2115d7e50e959dfdb9b
PDF
Publication pageb4426109ca6f01c0d127207774628d87398c9a72918591f83dd024d1cca8c30b
Manifest7afc094bd61d51b88ae10bfabcd0139d6f45b1d13da2def6e4e0bcc73a226143

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
Signature/vI4QGMyBrrRG/GMngsTsOqnMI7F5hX+fPKoKKN+H3poz8I7zpTijyYuknXlXMR/geTnUoIXmyoSN8sGbHnfBw==
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

2026-09-17T09:55:50.884376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084099
observed b4426109ca6f01c0d127207774628d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.868220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084099/manifest.json
observed 7afc094bd61d51b88ae10bfabcd0139d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.851284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084099/publication.md
observed 09a334d2ac9360785fb5740db5db61ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:50.833333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084099/publication.txt
observed 1f3d09f3446ba5a0fbcf3cc9bcdf1096...
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.