OpenTechnical

OT-2026-000101552

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000101552) never changes.

Identity and time

Publication numberOT-2026-000101552 · never reused
Internal UUID01a0aea4-0e15-7735-9180-00ab0e0c1a75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101552
StatusPUBLIC

Content hashes

Canonical text83e089e16bfc09645336f86614bf82f4b0718fba027286368bada2981f5f23df
Markdown367d621c86490e9fa47b4c7a0034730ef7ffaaa29d3bad2bc3d6900658156868
PDF
Publication page98daf70b54b80de9132068ee2922c4cd44c91de3c15feba4aa7974a71f4897d7
Manifestbef7b4b8519ea82faaa85ca18b1bed06633e68b42a4650c1f67005848053a054

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
SignatureDuZZ2vchz96ROCIKltPjV7K+jX4E665rqxjLmYFgAVy1iJjwW4aUSwYAhEuvvsIukQF91sMt0vDCHV5buuN6CQ==
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

2026-09-17T09:25:35.766797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101552
observed 98daf70b54b80de9132068ee2922c4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:35.748477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101552/manifest.json
observed bef7b4b8519ea82faaa85ca18b1bed06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:35.730942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101552/publication.md
observed 367d621c86490e9fa47b4c7a0034730e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:35.712817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101552/publication.txt
observed 83e089e16bfc09645336f86614bf82f4...
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.