OpenTechnical

OT-2026-000069668

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000069668) never changes.

Identity and time

Publication numberOT-2026-000069668 · never reused
Internal UUID01a0ae90-b52c-7b63-bb87-9f130f9cc946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069668
StatusPUBLIC

Content hashes

Canonical text67ad68e630d713a11e44a1dbc25c022df5f6a17d18d409efe33ce3d9ddfc2412
Markdownb4c819081338869777ef9e27822f4f4c0f31fd703d5040ea6376259edd7d9498
PDF
Publication pagece11f14e741bff9c4f04335d5f0902e67df0c8fa9a1a878e38ac71c4bd8cf769
Manifest9184eab11454f10617c40359c1452fbe6bfc734e6148f6921390a5d818ddd1db

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
SignaturedzI9/ti8i4wo4nwWa8fqhfMhUbh2XGkIGrcvM09bwa6UYSgvQ5Y0HwKWtEZOatMYhnrdqaNo6IEXyJtTNzqVBw==
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

2026-09-17T10:28:20.309951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069668
observed ce11f14e741bff9c4f04335d5f0902e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.292108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069668/manifest.json
observed 9184eab11454f10617c40359c1452fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.274779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069668/publication.md
observed b4c819081338869777ef9e27822f4f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.257711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069668/publication.txt
observed 67ad68e630d713a11e44a1dbc25c022d...
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.