OpenTechnical

OT-2026-000063955

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000063955) never changes.

Identity and time

Publication numberOT-2026-000063955 · never reused
Internal UUID01a0ae8d-53bb-7f04-8107-5ba240cbaafa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063955
StatusPUBLIC

Content hashes

Canonical textab0741760e837a74c8ef5751db3be3af3f12f89f7a09d5c6ed2de8e460c9b7cb
Markdown019cc2a89ab2967c1d088cd37b3f2936c4391a132b7e180cd7c4a34dbc39aa88
PDF
Publication pagecc716e828b5908e2600348eb29e8b7506db9edca6f81d8afa2793d40a158e001
Manifestc9581a6d2ec49fa3f522bbb795e33261eb833147485019ef082179895933d380

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
SignatureUeMHgmOnol0RDTPY3oM4KJnPDkaqZXfC4jeH2eqf6FRLamnpg3bTVGnJb2HbQC0mAxo4UU0ydNKVQeXzHu4/BA==
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

2026-09-17T10:37:01.027796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063955
observed cc716e828b5908e2600348eb29e8b750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:01.007634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063955/manifest.json
observed c9581a6d2ec49fa3f522bbb795e33261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.988219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063955/publication.md
observed 019cc2a89ab2967c1d088cd37b3f2936...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:00.969130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063955/publication.txt
observed ab0741760e837a74c8ef5751db3be3af...
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.