OpenTechnical

OT-2026-000025827

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000025827) never changes.

Identity and time

Publication numberOT-2026-000025827 · never reused
Internal UUID01a0ae71-a83e-73e4-95f0-6d369f7d2c1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025827
StatusPUBLIC

Content hashes

Canonical text944f4cda5c081bc5b82c1276d1f97a3f50696cdeb6ebe67bc6f4dc1b6bbe018f
Markdownffbb08b36fa3f84b39b2ac2b570f6b9b2801ee9a27252028b3b3f7e1a5c41f59
PDF
Publication pageb7862859ce02748abc1073a9c4a66a1c027b04c054bf40e5fbfad4cfe38264ff
Manifest83d2ae0b8b850403e6bc9c2c76bc32629ed440c39c075a8e5c20992aaa32def3

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
Signature8gZ3lSlvJO0Stz5Vn/bMZj1tnem4BCsVd/pi9aM0Acar5mx5Z1SE9UJCeMQWN3IX5Vb4ds5ahtArmhjG93PCDA==
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

2026-09-17T11:46:03.116293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025827
observed b7862859ce02748abc1073a9c4a66a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.098140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025827/manifest.json
observed 83d2ae0b8b850403e6bc9c2c76bc3262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.080958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025827/publication.md
observed ffbb08b36fa3f84b39b2ac2b570f6b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:03.063271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025827/publication.txt
observed 944f4cda5c081bc5b82c1276d1f97a3f...
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.