OpenTechnical

OT-2026-000062453

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000062453) never changes.

Identity and time

Publication numberOT-2026-000062453 · never reused
Internal UUID01a0ae8c-0ac0-73d3-9cbb-e610dff7ed18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062453
StatusPUBLIC

Content hashes

Canonical text5f84cacff342f06722c1b296627ae937db3677c2786332a4758a332d3fd4a85d
Markdownd20aa85f95312845b247f0d2bcad7701bda12a60413f52f3be5730e9442ef46c
PDF
Publication page67a48155703c7d336aba7eb65358e59cdbaf4bfeaa0efc4874b29d1f9e3e331d
Manifesta255ce18d46b8b8d96dfe5077720b08195da7c70a833d8a3da2ffe367bd2a4bd

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
Signature0UKhsGknR9B2OiDpEHf5VtQOr+R7igJujqA+DxSxY3Pq0+9Tzg52DomCrQBiwGtvGMaKgi3gH7zLNUleMcWHCw==
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

2026-09-17T10:39:47.964136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062453
observed 67a48155703c7d336aba7eb65358e59c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:47.945508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062453/manifest.json
observed a255ce18d46b8b8d96dfe5077720b081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:47.926563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062453/publication.md
observed d20aa85f95312845b247f0d2bcad7701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:47.906294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062453/publication.txt
observed 5f84cacff342f06722c1b296627ae937...
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.