OpenTechnical

OT-2026-000029786

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000029786) never changes.

Identity and time

Publication numberOT-2026-000029786 · never reused
Internal UUID01a0ae73-5e24-7c23-9adf-501d5d429dfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029786
StatusPUBLIC

Content hashes

Canonical text9f05ab162d670238632d685a4feee98e0f8827783e105ffb11be0cde3dadb02c
Markdownb0a66934e4ae7b6238352365e74d3bc9d5ddcdf6baee7e2b3015c67c6ad18322
PDF
Publication page58e5e36960f55babb9de4e716bc7c5f0fb670338977169ad32582235551f86d4
Manifest0a741f32c3e35a09ff6888da5dcc184d327d2bbe7f640b1096a2c4810c47be22

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
Signaturer2oH098rbpUzZ+PKDtX/tcQrAfBec3bVG7ZqpAwWYG0b5YmCkZdDZHHJy7pcmnXshzU9alSVPkG+bDLd09R0Dw==
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

2026-09-17T11:39:33.315631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029786
observed 58e5e36960f55babb9de4e716bc7c5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.296774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029786/manifest.json
observed 0a741f32c3e35a09ff6888da5dcc184d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.280813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029786/publication.md
observed b0a66934e4ae7b6238352365e74d3bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.263665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029786/publication.txt
observed 9f05ab162d670238632d685a4feee98e...
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.