OpenTechnical

OT-2026-000040994

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000040994) never changes.

Identity and time

Publication numberOT-2026-000040994 · never reused
Internal UUID01a0ae79-6d11-78c6-a3c7-d7a591434c52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040994
StatusPUBLIC

Content hashes

Canonical textf3e773b99659a312fb4e41ffa545f03b3788456a59cbcf57114503c410c8ca46
Markdownef27a47642d9c3fe9df7e782755f3d55f6fe1ed9b271e916985a6a7b5d6456c0
PDF
Publication page2d148fb4fd7e39ebe6dea9bd928b834460491eaf3f92915fe9be3e60e311ecf6
Manifeste17824528bfa38f5e8ec285873a8c6e61da3ee063eb9668a5fa602ba7fa07146

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
SignaturePShwqFD1J4rkqB9tPDq1yfxnKuYsrRCnWSPmXLZIIVJRCAgNObiN2UML265LGOgZ+kxdmy8H85+MVYctBrh6CQ==
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

2026-09-17T11:20:24.293470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040994
observed 2d148fb4fd7e39ebe6dea9bd928b8344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.275557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040994/manifest.json
observed e17824528bfa38f5e8ec285873a8c6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.257493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040994/publication.md
observed ef27a47642d9c3fe9df7e782755f3d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:24.237905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040994/publication.txt
observed f3e773b99659a312fb4e41ffa545f03b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.902462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040994
observed 2d148fb4fd7e39ebe6dea9bd928b8344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.885011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040994/manifest.json
observed e17824528bfa38f5e8ec285873a8c6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.865264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040994/publication.md
observed ef27a47642d9c3fe9df7e782755f3d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:48.846621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040994/publication.txt
observed f3e773b99659a312fb4e41ffa545f03b...
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.