OpenTechnical

OT-2026-000018618

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000018618) never changes.

Identity and time

Publication numberOT-2026-000018618 · never reused
Internal UUID01a0ae6e-d520-7a8c-a1b0-1cacae560d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018618
StatusPUBLIC

Content hashes

Canonical textab6e198c235db7d477e9faba10642f5b06e3c88962969b9186795124d18cf133
Markdownd4bbfaab01594330e052f253c44ccf0d12912ab0402375acf18450de0a404e1c
PDF
Publication page2f1efe5b63501504970119351183b48ec37dfc85ca6dbc7c18dbe5fd39583218
Manifesteb5f1c97a9b242605e0d2b2d1076ed95383715a85b6d91882b76e08ca6ca4252

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
SignatureNJyF+JlACvpSz4mfUfdAnqlDkhUb/h9Mzf2hdNkxVtFkfPDEAD+nLSd6kFkpWqI+FzoWwlOAig2/7zDaAkDaDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:06.910851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018618
observed 2f1efe5b63501504970119351183b48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:06.893763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018618/manifest.json
observed eb5f1c97a9b242605e0d2b2d1076ed95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:06.874529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018618/publication.md
observed d4bbfaab01594330e052f253c44ccf0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:06.855375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018618/publication.txt
observed ab6e198c235db7d477e9faba10642f5b...
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.