OpenTechnical

OT-2026-000073679

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000073679) never changes.

Identity and time

Publication numberOT-2026-000073679 · never reused
Internal UUID01a0ae93-2b8c-7aed-ad3d-28e40560a993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073679
StatusPUBLIC

Content hashes

Canonical text5f7fec118e369a5e931a4aa672d5acb304f280fa1e704d93f90410d5a2c3ac2f
Markdown2ed62ab54b73a26cb9bfd381151ee0fc57b43d45699a2b2a6823f78f0d291582
PDF
Publication page6eb264a5eba7ad733dc37870e2d4aee10ed5981b34ffff90100c00f7fb7164bd
Manifest629b93beeaec2b7931a97075deff3ac61ee4b1e75e1b4730057324a65ccb4ee2

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
SignaturebTRt29A5pWu1BuCoGV966gGQFQATcfhYjnPXrw5834XrZC7EldWv0UJFcKxDTOZLEX37NAUJXOcy+/cfZ8NNBg==
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

2026-09-17T10:19:44.291165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073679
observed 6eb264a5eba7ad733dc37870e2d4aee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.272606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073679/manifest.json
observed 629b93beeaec2b7931a97075deff3ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.253348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073679/publication.md
observed 2ed62ab54b73a26cb9bfd381151ee0fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.234467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073679/publication.txt
observed 5f7fec118e369a5e931a4aa672d5acb3...
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.