OpenTechnical

OT-2026-000047679

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000047679) never changes.

Identity and time

Publication numberOT-2026-000047679 · never reused
Internal UUID01a0ae7f-c41f-765f-be9c-da3b8206af80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047679
StatusPUBLIC

Content hashes

Canonical textf8954a458ff77a8ad5f549a5804a8e6deb30fbe8118940e39970aeadf9ea067a
Markdownd167733fb1d29747789c07798a54eb3d16e6226f7fd812d07df95d29fce007b2
PDF
Publication pagec362a001fb2bbd573b27c8046905ad5020eccfff70d393adf38c381bccad363f
Manifestf8babb0c80dc65ca94ae52c8a92c7f32ca073707523becb5278215a5b199b0b9

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
SignatureF26y82aUafjMuvvlY/v3e8JkvziyUDEHVcFwuZcjR0XqFFta01GeHXxt3MQVQNYRNsD9cvyywpn3wJDBb8MSAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:31.543904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047679
observed c362a001fb2bbd573b27c8046905ad50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.523406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047679/manifest.json
observed f8babb0c80dc65ca94ae52c8a92c7f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.505015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047679/publication.md
observed d167733fb1d29747789c07798a54eb3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:31.488082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047679/publication.txt
observed f8954a458ff77a8ad5f549a5804a8e6d...
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.