OpenTechnical

OT-2026-000049567

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049567) never changes.

Identity and time

Publication numberOT-2026-000049567 · never reused
Internal UUID01a0ae81-8f7d-792b-b2ab-9834912ee62a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049567
StatusPUBLIC

Content hashes

Canonical text96ec1059a48f1900fa5ac2e343210fd413f48b320fe8494ce00a75210812f3e4
Markdownad9f00f7f8433d7267febe131607301de91540193dd34770b785b954f3faf0d4
PDF
Publication page50fe6bf317ebfe43476e8dc248b4aa360d50782bc3d262563ee72028bd8f2644
Manifest3590ac84f6fa2714822a3ca0abe15074a808b2314bb398045534b7f5cdff0170

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
SignatureX9NN7BN+7fgAbBHzVyaKgWYXe/O03rsZJfnMOAsQYd2kk0n6JnF2S0XInfBKZONiTa1oTj4OB2thD+VEnLEJAw==
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

2026-09-17T11:02:31.905410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049567
observed 50fe6bf317ebfe43476e8dc248b4aa36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:31.885606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049567/manifest.json
observed 3590ac84f6fa2714822a3ca0abe15074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:31.865817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049567/publication.md
observed ad9f00f7f8433d7267febe131607301d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:31.842600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049567/publication.txt
observed 96ec1059a48f1900fa5ac2e343210fd4...
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.