OpenTechnical

OT-2026-000102979

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off 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-2026-000102979) never changes.

Identity and time

Publication numberOT-2026-000102979 · never reused
Internal UUID01a0aea4-be3c-744f-9c13-37e39f1317d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102979
StatusPUBLIC

Content hashes

Canonical textcda4cdb0ee9cf0d099a6619dddac91a80c20f8fcc926be712b4fa84187776ec9
Markdown63cfb0cfe80c7cb37376f85edb68728c248dadb29dbb4f1b55b9f639fc5ad4fc
PDF
Publication pagea12ec24876c7fa605ed50838cd9b24260585d74b9378fc0c3bce2d2813bf1394
Manifest62dceb3be4477a7242f5324d3e3bbbc146633d539c30f65d04746775864078f9

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
SignatureW9dU8XPmv7ltQPVmgvgzM405gv8HUqviATmXS/L+BcLSpY3BHf3Pq3h9hCmZOaTYT7trr9j/m1BPDbFgUOOFDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:05.416175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102979
observed a12ec24876c7fa605ed50838cd9b2426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.396969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102979/manifest.json
observed 62dceb3be4477a7242f5324d3e3bbbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.380085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102979/publication.md
observed 63cfb0cfe80c7cb37376f85edb68728c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.362351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102979/publication.txt
observed cda4cdb0ee9cf0d099a6619dddac91a8...
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.