OpenTechnical

OT-2026-000071108

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000071108) never changes.

Identity and time

Publication numberOT-2026-000071108 · never reused
Internal UUID01a0ae91-8c2f-7dd8-8c0d-6cf67fd22f68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071108
StatusPUBLIC

Content hashes

Canonical text4036cacde36654d001d0b11227520b011a13fd5506a497bc4324eeef97924d50
Markdowna5e1cf0f5d658a2d8ddd35acc8a1957a70d0a65ab0f464919da89b0ed0ea0f26
PDF
Publication pagec7a3fa7e97d3b60b6bd20f9171027f0058cb2f95b51f66150183837b2b611aa9
Manifestdc5d78140b05c16e612c858f8c7234e980ed9077202d6ab3c40f64ebd96c6d46

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
Signaturehpz6pG0K21QSB/m8W0kFUMbHDPvQQ2+ONqoyjlN8wxObDjeHpn4x0EdXIkPZsNvMHZdMACSz0TjKmGqJo3QXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:58.046838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071108
observed c7a3fa7e97d3b60b6bd20f9171027f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:58.030827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071108/manifest.json
observed dc5d78140b05c16e612c858f8c7234e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:58.013251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071108/publication.md
observed a5e1cf0f5d658a2d8ddd35acc8a1957a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.996334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071108/publication.txt
observed 4036cacde36654d001d0b11227520b01...
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.