OpenTechnical

OT-2026-000043723

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold 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-2026-000043723) never changes.

Identity and time

Publication numberOT-2026-000043723 · never reused
Internal UUID01a0ae7b-92d1-78d9-af37-56d650ce086d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043723
StatusPUBLIC

Content hashes

Canonical textc9195c431b37d1d0e4bf00c10777d1a4629f7c2c7212cbb3a38baa2a45b10dd4
Markdownc6a2e9eb336030c8bdda0df2d78d163cdf148c0878ac7da14173aef09cac4039
PDF
Publication page5cce32bc3eee260e4a30d726984d0118a46ae3fa9d08a95809bc3517867b2e57
Manifest68fe52e8f6e9077750ba1c830229278e79eb3edf7f935fe63238984dba099696

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
Signature89dcECNcQIrH+TsjxMXBlj+EM5Cie7ppLpvk+747uc7sLht9CuBKaUVbvP5EseekhLw9R13YsqNJA/P5qH0nAw==
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

2026-09-17T11:13:13.565938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043723
observed 5cce32bc3eee260e4a30d726984d0118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.546708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043723/manifest.json
observed 68fe52e8f6e9077750ba1c830229278e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.525229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043723/publication.md
observed c6a2e9eb336030c8bdda0df2d78d163c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:13.506174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043723/publication.txt
observed c9195c431b37d1d0e4bf00c10777d1a4...
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.