OpenTechnical

OT-2026-000074057

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000074057) never changes.

Identity and time

Publication numberOT-2026-000074057 · never reused
Internal UUID01a0ae93-2b8f-78a9-b062-5606d0af1829 · 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-2026-000074057
StatusPUBLIC

Content hashes

Canonical text7d32bd0163dfdc14a4b2877eb32535ca9725eaf776dbb7886bb3cd01e266695f
Markdown7bd8a8cf37d9685412c3fb2642c85419b466bebeb1da125595ae763b5528f544
PDF
Publication page90e6fb4bd705e03ae2da64fc575d493fcf34bedbf9e9e82f53890d127e8cbca1
Manifest8752c6b17ce1a7bbf3d22ee83806c0f9de6bbe736aa082dfa973f7c8af434cf4

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
Signature6RxuKrS298oNfw3RaIwLV6gwqwPuiy7nPa5F5xGjhzsoIuMg0IaNlHhTt8aiOglms80YGShrZTTAH3QtzygTCw==
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

2026-09-17T10:20:23.080349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074057
observed 90e6fb4bd705e03ae2da64fc575d493f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.061604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074057/manifest.json
observed 8752c6b17ce1a7bbf3d22ee83806c0f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.041637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074057/publication.md
observed 7bd8a8cf37d9685412c3fb2642c85419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.020071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074057/publication.txt
observed 7d32bd0163dfdc14a4b2877eb32535ca...
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.