OpenTechnical

OT-2026-000029554

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000029554) never changes.

Identity and time

Publication numberOT-2026-000029554 · never reused
Internal UUID01a0ae73-5e22-7e00-b4c7-03f85fefe35f · 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-2026-000029554
StatusPUBLIC

Content hashes

Canonical textfe2474c2e7387d3faea771c8caff18980da7cc0c59ee36c996bceb33a1b062e4
Markdown35b55823e83c5391385a6dcf2bfd870470336f0aa65cb806ebc445f2b9fb2374
PDF
Publication page8dfba91ae5dd7d12fecfa7b2211dfba1e7dbeb8f26a8f75ba182611579de164d
Manifestf2c6c8c3c18922753cf525b48c0293971675ed1f7c085293ca4b3e500ca962ac

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
Signature3G7HAwkze4QlXDerLz+0iy3sYc/+7I9SQg3uy/zeQ5q9R/kRxldybwxRCR5C0y3DaBX6N3ka281ur19jrl5aBg==
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

2026-09-17T11:39:12.863584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029554
observed 8dfba91ae5dd7d12fecfa7b2211dfba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.847143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029554/manifest.json
observed f2c6c8c3c18922753cf525b48c029397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.824784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029554/publication.md
observed 35b55823e83c5391385a6dcf2bfd8704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:12.803070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029554/publication.txt
observed fe2474c2e7387d3faea771c8caff1898...
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.