OpenTechnical

OT-2026-000035557

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000035557) never changes.

Identity and time

Publication numberOT-2026-000035557 · never reused
Internal UUID01a0ae76-b4c5-78b8-a2c8-11618c9c619d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035557
StatusPUBLIC

Content hashes

Canonical text185864fbec4ee1a23c9878bde3c37761f91af84c4eb2e0d8c9dd60af1a3dbd31
Markdowndd08e385f631dc2437b3034449563f7e17e2504734529726402b7df55ba296b7
PDF
Publication pagea77fb13b60c3f3a4cbe72da3c61c76abceebe4d5413c15e241f9258ff2d97f8f
Manifesta1a42ee13d96175c84b62ac1441c99b612c9cd81ddd05d57b88f2a87b4e11b2c

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
SignatureH4GoOSc0PFt6MsGbbb7SINVmYzp0uSn4/wn3BoQzxT6OKmITCemfvFx7E8R5onY9NZ3Ycr36FCBSvRhC4jsMDA==
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

2026-09-17T11:27:04.343795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035557
observed a77fb13b60c3f3a4cbe72da3c61c76ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:04.325411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035557/manifest.json
observed a1a42ee13d96175c84b62ac1441c99b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:04.307400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035557/publication.md
observed dd08e385f631dc2437b3034449563f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:04.288973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035557/publication.txt
observed 185864fbec4ee1a23c9878bde3c37761...
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.