OpenTechnical

OT-2026-000050107

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050107) never changes.

Identity and time

Publication numberOT-2026-000050107 · never reused
Internal UUID01a0ae81-fd79-782f-adc8-b7ad42dad73f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050107
StatusPUBLIC

Content hashes

Canonical textdfb8501ee66cc72871c6bf53dd16d5e7cf4a6f312b13eed3ba73c8995b7a9e18
Markdown541a682348baef9d25c30590d42eba8b88f50b85f9abd6bd28347819c7034590
PDF
Publication page7a6ac28d6b741a020cd51af5cab3eb16794400ffe8995b96cb2419c6a0cb37a9
Manifestfc1e5de4a3aa51670751873c78c333afadf24c2d686a70a1b3e334450989cbd5

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
SignatureyToyhAlK4CjKSL3J/IUcdbxij7MDZPldTVVjkBtUj1jp2A+uWV2RGOnIsHolojfHbjO0TSiEZBzSVbHTJzorAg==
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

2026-09-17T11:02:06.539166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050107
observed 7a6ac28d6b741a020cd51af5cab3eb16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.522045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050107/manifest.json
observed fc1e5de4a3aa51670751873c78c333af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.504575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050107/publication.md
observed 541a682348baef9d25c30590d42eba8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.486688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050107/publication.txt
observed dfb8501ee66cc72871c6bf53dd16d5e7...
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.