OpenTechnical

OT-2026-000040717

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000040717) never changes.

Identity and time

Publication numberOT-2026-000040717 · never reused
Internal UUID01a0ae79-6d0f-7f05-8fc6-4aeed47683f8 · 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-2026-000040717
StatusPUBLIC

Content hashes

Canonical text1b3ee62d0afe0f531f04867a69b16dee69143e29312027a45f0b0d14da54e99f
Markdowna5c6d965546bce535e83a7d84cae74baa0e27c5a0cc2fd95e8ccd0ed15bf131d
PDF
Publication paged536f2bd9d880a67ce5b2f0cd7cb2210bc45d8d16ed76da4ea665493971994d4
Manifest761b31deea82f4f8915c0af96317f66a7b26c1725d48ac48e252f75a501f2814

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
SignatureRSVedbmFfqY77Y0ftz0PXhEOjwQI2nw1EhRZfOhKs6syF396UOcwLpSBkR77V7FqlTB6ZH1eS2Yl8nNrJP56AQ==
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

2026-09-17T11:17:59.017403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040717
observed d536f2bd9d880a67ce5b2f0cd7cb2210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:58.997698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040717/manifest.json
observed 761b31deea82f4f8915c0af96317f66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:58.979727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040717/publication.md
observed a5c6d965546bce535e83a7d84cae74ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:58.962431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040717/publication.txt
observed 1b3ee62d0afe0f531f04867a69b16dee...
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.