OpenTechnical

OT-2026-000077868

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000077868) never changes.

Identity and time

Publication numberOT-2026-000077868 · never reused
Internal UUID01a0ae95-2ed0-7b69-b4b7-8766fc416c46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077868
StatusPUBLIC

Content hashes

Canonical text60f12b6afc75b1288ef866fd5645175d47b10491a18538fed51c2e526d2fdbb8
Markdownd35d9cd5b816dda34c68dd8645f453f48a76ffe30ce6ae5f7fb64b8609d8d6b0
PDF
Publication page0a972919d1d102a96585937b79a2b58cd7f474f8b42aa5ed8c3d3d7c95efd92e
Manifest94a34bd5acaf9baa9e2624238a09e6af5d31361595b791b5f8ae6344671e33a0

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
SignaturetgboToskDUrXbka6dIJeeommOtoPEW7sQGPE5iUPdge1VJyhYvvhOBqY3Oc3LIGo5vBQ26Rl6PUN9jO0ZKtGCw==
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

2026-09-17T10:07:36.626121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077868
observed 0a972919d1d102a96585937b79a2b58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.606964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077868/manifest.json
observed 94a34bd5acaf9baa9e2624238a09e6af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.585548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077868/publication.md
observed d35d9cd5b816dda34c68dd8645f453f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.564226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077868/publication.txt
observed 60f12b6afc75b1288ef866fd5645175d...
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.