OpenTechnical

OT-2026-000018708

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000018708) never changes.

Identity and time

Publication numberOT-2026-000018708 · never reused
Internal UUID01a0ae6e-d520-7b45-b79c-0083648bf09b · 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-2026-000018708
StatusPUBLIC

Content hashes

Canonical text32d42e319fe91923e0138b7a5f761ff8911e9c781144bfc9ae41f20828121f5d
Markdown097dd969125e8685c368208cd2d23a6b4609bf0d7b4f8ae9b3736edb8e3b3691
PDF
Publication page0a516c52c4063a05d51765f5f5ba3f31e5a6083c50272b79e50b87074cae05b7
Manifesteda913dbe1c233d9c8d87174946c1b2b6d8c9756b90e62f22d32a6ed69b3a7fc

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
SignatureSiDXwVGHU+10AMF8aNs/baiASEs2gCD0KmE9mMiaceTkBjWU8HDh6b1qTOgqtHaNSUKQ3sNtWrHvTFS5/7B1Dg==
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

2026-09-17T11:59:18.642408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018708
observed 0a516c52c4063a05d51765f5f5ba3f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.625389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018708/manifest.json
observed eda913dbe1c233d9c8d87174946c1b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.607474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018708/publication.md
observed 097dd969125e8685c368208cd2d23a6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:18.590087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018708/publication.txt
observed 32d42e319fe91923e0138b7a5f761ff8...
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.