OpenTechnical

OT-2026-000096178

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, sustained 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-2026-000096178) never changes.

Identity and time

Publication numberOT-2026-000096178 · never reused
Internal UUID01a0aea0-585e-7fb7-ac29-1c6221d7d2a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:59.115534Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000096178
StatusPUBLIC

Content hashes

Canonical text9d2e4ceeb24f2b1bab205d582c321915812ac1f83e79b8b90c0b5adfb985b67a
Markdown7840200f22c1914f813240dd7a8cbfae5829990036503e05392bdb6f44b0d84d
PDF
Publication paged9d3cffa78b01055e08a4071d179b09cf397c57fdaf6f7a111e29f469f2bfcbc
Manifestc7090c96f1dbad0ce60892479818f40c1540c5239ec46d86fefd1358dc4a0438

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
SignatureUf0LfXZ83uhR08Jp9SKii0niipH4gRfdeEG/j5jpKjyGiKdlrD0fbGjQucmPfsrGWmt+rKcA3GI+Cbwv3EPfCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:34:41.143826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096178
observed d9d3cffa78b01055e08a4071d179b09c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:41.127049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096178/manifest.json
observed c7090c96f1dbad0ce60892479818f40c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:41.109701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096178/publication.md
observed 7840200f22c1914f813240dd7a8cbfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:34:41.092506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000096178/publication.txt
observed 9d2e4ceeb24f2b1bab205d582c321915...
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.