OpenTechnical

OT-2026-000063150

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000063150) never changes.

Identity and time

Publication numberOT-2026-000063150 · never reused
Internal UUID01a0ae8c-94aa-7966-8a45-735f32ee3b21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063150
StatusPUBLIC

Content hashes

Canonical textdc9838c84045200e97ceb508a2cbda0e710cce96d34bd3e5a6c6645203a31796
Markdown8e6ee425de564c4c9626f4649ca43a1cd41968e65e4565481bf4ee2ad267f864
PDF
Publication pagecee4e756a072b435aacb234f81d55bbebd63a9ca7ebd97944fd8cb7f6a2b8acc
Manifest31e1146ae7c19d230829ba5491787c3b0cfd5096ea99e71c7f136da731ad111b

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
Signaturep/uSExviGAyArL3VWzD27ZgaMxl7nCYnhDsOcIErdlyV/TDeVItdB1p2PwHCcPlpgelb4WEzOjH9YdWVC7iLDg==
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

2026-09-17T10:38:56.195842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063150
observed cee4e756a072b435aacb234f81d55bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.177148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063150/manifest.json
observed 31e1146ae7c19d230829ba5491787c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.158640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063150/publication.md
observed 8e6ee425de564c4c9626f4649ca43a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:56.141716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063150/publication.txt
observed dc9838c84045200e97ceb508a2cbda0e...
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.