OpenTechnical

OT-2026-000078257

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, 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-2026-000078257) never changes.

Identity and time

Publication numberOT-2026-000078257 · never reused
Internal UUID01a0ae95-7c27-70c9-ae94-47e04281a7dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078257
StatusPUBLIC

Content hashes

Canonical texta5d0e5e85f825bcb9874ea0477a1cd4a4487c594b224c482c05dff1c049620ee
Markdownbdf02823a7ba3931975c2d457402089ec32798d91e741476a4aeff4669500a05
PDF
Publication page29fb1d30049af67abebf55f5e3f7356560af111615a686bed38f0cb742e7b077
Manifesteb4185762b1dc2d0622207a2dfffd2f7b65f345861fd23fc032a6e4694321983

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
SignatureNpoPEHR0+kXqXdNIltITrIKksEd0adwNd+xANx/VUn2PXp/q8Ni5BwPCnm/Zrj/z5TILd2wdqo4XhYD7RuMyDA==
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

2026-09-17T10:06:12.175557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078257
observed 29fb1d30049af67abebf55f5e3f73565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.157986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078257/manifest.json
observed eb4185762b1dc2d0622207a2dfffd2f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.140137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078257/publication.md
observed bdf02823a7ba3931975c2d457402089e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.121494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078257/publication.txt
observed a5d0e5e85f825bcb9874ea0477a1cd4a...
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.