OpenTechnical

OT-2026-000031345

Publication integrity record

Six cup vacuum gripper, six 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-2026-000031345) never changes.

Identity and time

Publication numberOT-2026-000031345 · never reused
Internal UUID01a0ae74-87ac-7a22-85e9-e0c0aa03c169 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031345
StatusPUBLIC

Content hashes

Canonical textd1213a809edf9306ebc8cb4773ffae8c2441e5b1189598115b9d2bfcb5c28032
Markdown74f9e108df82e85c3734a450062a1411a8fd12ad41ff94cb76f67cee2a47efda
PDF
Publication page6ac1848e933ef36d837ae057c9c353d5a35174000f8ee8668558b2acddc9c37d
Manifestaf37dd32e67a4a969aeeef3679ae9b060b513890a2f4e01a08ebe0d94c3158a1

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
Signature6NM69TOThQHWdb5UpJ1yvVqWe/gCg9MTfbqD0m2AJR1woVpimLEcFr8fiN0dtSRd+Wf2lAeR6CSfvVVdX/udCA==
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

2026-09-17T11:36:02.586493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031345
observed 6ac1848e933ef36d837ae057c9c353d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.569648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031345/manifest.json
observed af37dd32e67a4a969aeeef3679ae9b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.552503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031345/publication.md
observed 74f9e108df82e85c3734a450062a1411...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.534459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031345/publication.txt
observed d1213a809edf9306ebc8cb4773ffae8c...
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.