OpenTechnical

OT-2026-000061610

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000061610) never changes.

Identity and time

Publication numberOT-2026-000061610 · never reused
Internal UUID01a0ae8b-7b45-7e9c-9b43-27c20a9f4e35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061610
StatusPUBLIC

Content hashes

Canonical text6ae44167d5b99064d3973255ccab99a6c79549d30012baccf8050051b51a8b2f
Markdown248d7fbdb0a92c5ba35e8548fbb4e1221bdbf6753617bfac8a219a7b537dcc43
PDF
Publication page3ca08d2ecc70213666d257fc2320ccca0ac1a771ec20ddb65e0072f4bdc10d70
Manifest300d047e0c136929b13a814e6b9674ded2244f1e1d3563b0f8565fece942158e

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
SignatureDeAmftb9ZV4uZn4StUw4P7loK1Y6125um9egciE54Mp/ixnkzXBvOYqeeeZjkeu5bbP3domPTUXDbHuSE97qCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:32.411521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061610
observed 3ca08d2ecc70213666d257fc2320ccca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.393272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061610/manifest.json
observed 300d047e0c136929b13a814e6b9674de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.370309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061610/publication.md
observed 248d7fbdb0a92c5ba35e8548fbb4e122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.347421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061610/publication.txt
observed 6ae44167d5b99064d3973255ccab99a6...
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.