OpenTechnical

OT-2026-000099547

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000099547) never changes.

Identity and time

Publication numberOT-2026-000099547 · never reused
Internal UUID01a0aea2-c975-7e90-bf56-c56528feaf4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099547
StatusPUBLIC

Content hashes

Canonical text90009ac265703962d41944299e975c9c56f8a42bf0cbda83717739809fd5a5d0
Markdown48a8e88d330c90febd7b58ce72d12d942604a76d1c4e7b0e6dd423d593733595
PDF
Publication pagec3497aeef72c46fda340332f0cfadcbc2a1bf8620b069e5a6245cddf7239bce7
Manifest2dc61758e84bb5b96ef6dc29b6f010c2ad7a3632885fc8a9c6dc28e90d9d64c4

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
SignaturemCzOH9aBU+SKatEjr1unUhEB3qT5FAqm8JWM317OVXrd3cY01J4vIU/ZijUPT5RFJcV+04E6CwJXytMqKXOyAA==
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

2026-09-17T09:29:27.203677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099547
observed c3497aeef72c46fda340332f0cfadcbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.184647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099547/manifest.json
observed 2dc61758e84bb5b96ef6dc29b6f010c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.166595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099547/publication.md
observed 48a8e88d330c90febd7b58ce72d12d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:27.149142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099547/publication.txt
observed 90009ac265703962d41944299e975c9c...
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.