OpenTechnical

OT-2026-000072630

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000072630) never changes.

Identity and time

Publication numberOT-2026-000072630 · never reused
Internal UUID01a0ae92-89d9-73df-a072-3a6d04e7f4e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072630
StatusPUBLIC

Content hashes

Canonical texte388caf106fd8c8659edf9de7188d818241eb46f3f7e2fd43ba56b994e81fa4c
Markdowndd98b7cb9b24e086c00edb0a9ea11a958b89a9cdb85cf89cd0c31c648c709241
PDF
Publication pagebd3ccdf086d61bdcadcee189042ecc652dba75287ea0a66a29863a126cfd2955
Manifest6d80beaf8408288be1c7a100de2c71e64f2cb186c7e3b67dd30d929887e4befd

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
SignatureRo9zXcIIai+Tpa7bNeN92Vs0TL+yyngYZXjP6Z76qGOjGCrWzpbwwEVH70EKHey4On7Bz1N+9AH01HTVihuyBA==
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

2026-09-17T10:22:29.365431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072630
observed bd3ccdf086d61bdcadcee189042ecc65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.346531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072630/manifest.json
observed 6d80beaf8408288be1c7a100de2c71e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.329158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072630/publication.md
observed dd98b7cb9b24e086c00edb0a9ea11a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:29.310961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072630/publication.txt
observed e388caf106fd8c8659edf9de7188d818...
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.