OpenTechnical

OT-2026-000072094

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000072094) never changes.

Identity and time

Publication numberOT-2026-000072094 · never reused
Internal UUID01a0ae92-47c1-7cbe-9aab-8a6d5ac3b837 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072094
StatusPUBLIC

Content hashes

Canonical text772538cf554ae910570ad3f73bc000e2f903ac9f078a44ce0f1bc55ed74edff8
Markdown1db43990b92303aa5bd47f182f2f222ab577cdd2d45d53a72494984bf4020ae6
PDF
Publication pageb9d92986f2672d992337083c0cb9a548307e1a70e715e84d2021ad41cffd6081
Manifest766651d6d4d6e73f59fb405d43e3a0894d2bcbd828cc19f325a4288bf23792be

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
SignatureFkcTC9BA20zVYh1SBTusn3reHJpXGO3S0k1wPZwNKOt6Rgq7TFJUnQi2nYqgkpgwEUR+vt/RCRFOx4zED/ZFDQ==
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

2026-09-17T10:23:10.496030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072094
observed b9d92986f2672d992337083c0cb9a548...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.478329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072094/manifest.json
observed 766651d6d4d6e73f59fb405d43e3a089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.460965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072094/publication.md
observed 1db43990b92303aa5bd47f182f2f222a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:10.441469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072094/publication.txt
observed 772538cf554ae910570ad3f73bc000e2...
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.