OpenTechnical

OT-2026-000099544

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-2026-000099544) never changes.

Identity and time

Publication numberOT-2026-000099544 · never reused
Internal UUID01a0aea2-c975-7b89-9e69-1569db1b51f5 · 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-2026-000099544
StatusPUBLIC

Content hashes

Canonical textda2be4f1b54b0d200b9f5d3508ff80d31e36c2d44699d0bccdb877e8805a6d11
Markdown609b25ee8fb93d8f89fcc78ca8dfb292409a36ce05fa42b9525caf6c81eedf18
PDF
Publication paged4e1151f20487b5d915353952938d595249669d8af3603820d6e4fdfe9062d2c
Manifest54392c05b5ec27ef1eea4b601f7551c0934c26c8a5978ea9b3352d508ab48347

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
Signaturet2+O7k8JevT8IlKmguMV90x622VJTjm2ZqaPM8pFdT4bmiskxcq/RBWowfEwgtEW1FWiWPDP4zqQa3KdPUozDA==
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

2026-09-17T09:29:26.929779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099544
observed d4e1151f20487b5d915353952938d595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.910513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099544/manifest.json
observed 54392c05b5ec27ef1eea4b601f7551c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.892606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099544/publication.md
observed 609b25ee8fb93d8f89fcc78ca8dfb292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:26.874648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099544/publication.txt
observed da2be4f1b54b0d200b9f5d3508ff80d3...
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.