OpenTechnical

OT-2026-000050879

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050879) never changes.

Identity and time

Publication numberOT-2026-000050879 · never reused
Internal UUID01a0ae82-c7b3-758f-9969-23eeb2698559 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050879
StatusPUBLIC

Content hashes

Canonical texta848cc62aba5fadce77722230864067bc1d421883f64ddcb1bbbfda478798b8f
Markdown9592f8c4ea1c3b4715d0b5da9a8ae3ec60fe3bc543fc5be9f30f9c2c79e10fa3
PDF
Publication page944f5cc138a221422c514bb3448e7de76b082f49f6a051b653aea9d6af294586
Manifest0027e55f68c8ec296ce73a21eae90d2c9d3b784093480520b1965002ebfd5edf

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
Signaturel+kAFh7y7Maild07e0WKwj0OP5oIH6NvGcDPX57x0SYGb8DkGqJlto7vE9MkQISHa4kZlaR+6FrX3hjSOznBAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:36.656494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050879
observed 944f5cc138a221422c514bb3448e7de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.636103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050879/manifest.json
observed 0027e55f68c8ec296ce73a21eae90d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.617146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050879/publication.md
observed 9592f8c4ea1c3b4715d0b5da9a8ae3ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.596988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050879/publication.txt
observed a848cc62aba5fadce77722230864067b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.584338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050879
observed 944f5cc138a221422c514bb3448e7de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.558004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050879/manifest.json
observed 0027e55f68c8ec296ce73a21eae90d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.534501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050879/publication.md
observed 9592f8c4ea1c3b4715d0b5da9a8ae3ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.514727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050879/publication.txt
observed a848cc62aba5fadce77722230864067b...
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.