OpenTechnical

OT-2026-000034432

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000034432) never changes.

Identity and time

Publication numberOT-2026-000034432 · never reused
Internal UUID01a0ae76-12eb-7f96-ae7e-6190fd11c222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034432
StatusPUBLIC

Content hashes

Canonical text560ca939437e7639ecd7ae60b7efb53566ccd0603d5d31079c6a4857d46ffa2b
Markdown473029649506f029006308ffc7ee5ac014bf66f4bf37f4d3c115057f366e2fd2
PDF
Publication page614788473e52ad8c5cde07d4c9c4b668c4d4fd053bb2c5d7a62cd44d863e3bdc
Manifest10d7dfa3f345456c50e4fcdbe2a3d2bf88422a591cf2bb475c6f924b1179b394

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
SignatureWp9o3Vp9d/d5DjcGuPJ9ZF7v98Qjzek8OaZCzwCIUOIStEXDGUKEz1MO1oeIYa0mo711/j5Ps2I4kS6dpLCWAQ==
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

2026-09-17T11:30:45.256153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034432
observed 614788473e52ad8c5cde07d4c9c4b668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.236619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034432/manifest.json
observed 10d7dfa3f345456c50e4fcdbe2a3d2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.218886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034432/publication.md
observed 473029649506f029006308ffc7ee5ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.201410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034432/publication.txt
observed 560ca939437e7639ecd7ae60b7efb535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.033982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034432
observed 614788473e52ad8c5cde07d4c9c4b668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.016841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034432/manifest.json
observed 10d7dfa3f345456c50e4fcdbe2a3d2bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.998230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034432/publication.md
observed 473029649506f029006308ffc7ee5ac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:59.980620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034432/publication.txt
observed 560ca939437e7639ecd7ae60b7efb535...
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.