OpenTechnical

OT-2026-000071738

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000071738) never changes.

Identity and time

Publication numberOT-2026-000071738 · never reused
Internal UUID01a0ae92-1e91-7e39-98fe-1583e90009d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071738
StatusPUBLIC

Content hashes

Canonical text3e0efd5bc8c4d179ce34b308104d88004439dfadedd3a4a3eccb30cacdce23b2
Markdownd62cf74d5cd57b8578bc72651d2fa1536186fae116956e90c7b3bce4f88917fa
PDF
Publication pageeb7ffc74d77ae1e7eff0cb4611067deee7963e5535ed51364d3620f01e8a5f58
Manifest0167af673f10483dcefb05764858f3b5deb9820005f3c9809ca75d824faa06bd

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
SignatureyEr1G1msHZ5OD6mr2rZvqhSN6YLfHIL88IPWQAEYr6TTk3/ciIzs3OYHmyA8LxMMGI3nl+02QBba1VDqYe9bCA==
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

2026-09-17T10:23:53.711807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071738
observed eb7ffc74d77ae1e7eff0cb4611067dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.695341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071738/manifest.json
observed 0167af673f10483dcefb05764858f3b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.676979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071738/publication.md
observed d62cf74d5cd57b8578bc72651d2fa153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:53.659434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071738/publication.txt
observed 3e0efd5bc8c4d179ce34b308104d8800...
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.