OpenTechnical

OT-2026-000087901

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000087901) never changes.

Identity and time

Publication numberOT-2026-000087901 · never reused
Internal UUID01a0ae9b-1aa5-751e-aeaa-46e8a2b25c29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087901
StatusPUBLIC

Content hashes

Canonical text8ec18d2e43ae0ed37ba66d26ada91adad28b3b6b9c4c1b9b579319870b1a9a79
Markdown0bac06d1d839644998df96d50faa46e6d4312dd08ba3a22dd0b5de6b0143aea6
PDF
Publication page33e7aac402f0ca54a043a726dc700901f553342ded9b36fb4e6578b3cc5c3370
Manifestab8e2e84c5c93406694637aa7e189c517a3872628a84939b2571d2be8c8e0a5d

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
SignaturerCY6pSlubCy3o2nuGq75jSOF45tpKQg7bVYNULAl20H7IjZkYwNMMZ+FDQp2UeMg2yx73fqfUlH0lRKLFR1hCQ==
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

2026-09-17T09:49:10.835839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087901
observed 33e7aac402f0ca54a043a726dc700901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:10.817432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087901/manifest.json
observed ab8e2e84c5c93406694637aa7e189c51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:10.795586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087901/publication.md
observed 0bac06d1d839644998df96d50faa46e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:10.776533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087901/publication.txt
observed 8ec18d2e43ae0ed37ba66d26ada91ada...
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.