OpenTechnical

OT-2026-000089579

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000089579) never changes.

Identity and time

Publication numberOT-2026-000089579 · never reused
Internal UUID01a0ae9c-1a21-7fa3-9244-2bff1ed0aae1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089579
StatusPUBLIC

Content hashes

Canonical text3b29b3202f84e71eff44a05f8cf10521ae8b078fc4231280d5f6dccd25cf92e4
Markdowneb437e76818f0901958cd78274150ad5e35a228d6944b5ff5120e87b1ccb3ae8
PDF
Publication page7def23aff4084955253a6127d144a186c04a61166f02ce2aa07c774d2ec82837
Manifestc007f1c4aa32728f42594c913919460fd51ec6385a57e3b36c7731fa171d54ca

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
Signature6oItvhVJlTlb6JiyoYws/tDWf2xuEM6X/nx3nhQt1g54C9Ge6edHyKM2+DxedEfkbD4FiPfI6V/te3VpOMJiAA==
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

2026-09-17T09:46:33.209728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089579
observed 7def23aff4084955253a6127d144a186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.193212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089579/manifest.json
observed c007f1c4aa32728f42594c913919460f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.175300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089579/publication.md
observed eb437e76818f0901958cd78274150ad5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:33.155438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089579/publication.txt
observed 3b29b3202f84e71eff44a05f8cf10521...
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.