OpenTechnical

OT-2026-000099132

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000099132) never changes.

Identity and time

Publication numberOT-2026-000099132 · never reused
Internal UUID01a0aea2-8288-765e-a895-d247efa98c8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099132
StatusPUBLIC

Content hashes

Canonical textf4ba0e4a6bee24c0a4c077fdd09da4d36e8e7f3fb43e30e80ffe6d5e74c6cc8d
Markdown9cccf4cf19096544b45ebd4143952a67edb37ba578723185f724413ad808476d
PDF
Publication page70463928112765d5f0e4545040f7122b9a00b46d33e727ce258da294957a775a
Manifest591f0cec5e546d782cacf8bd013fdf6d189f046bf18a7691d30c7895233f0666

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
SignaturesbGRbFaSeTqFm4TBp27e4FKXfRDYXoTvkHJs3NL5aiCos9dTw0rCPpBq9tWIwOcRg4hgEnqYSecNnI7RHxcqCA==
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

2026-09-17T09:30:29.944619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099132
observed 70463928112765d5f0e4545040f7122b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.924309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099132/manifest.json
observed 591f0cec5e546d782cacf8bd013fdf6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.905331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099132/publication.md
observed 9cccf4cf19096544b45ebd4143952a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:29.887117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099132/publication.txt
observed f4ba0e4a6bee24c0a4c077fdd09da4d3...
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.