OpenTechnical

OT-2026-000027994

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000027994) never changes.

Identity and time

Publication numberOT-2026-000027994 · never reused
Internal UUID01a0ae72-a51f-7dc2-944a-4995faa2bca9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027994
StatusPUBLIC

Content hashes

Canonical text7f04670434895960229cf06ba337b4124ddcc6b3dce4ca00dd0456911bc40728
Markdown10a30f2181f5b09f61cb3814f1cf0e3a0fd77b481602cdbb8b9c29c9453b9ea6
PDF
Publication pagecf5c6e1176008648d4a1e6f7c99c6858471dbf35def596434344a6e5870d437a
Manifest85d1c61e46b19985f003c4a4b5547bf91d7d29457d537a4db78681977b570596

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
SignaturePceoGmVVP9eNGhecp8kBIM/NE6ztzqPINdh8fuCLFA2PhmK1IcRBDQKAIIhUVebAL+4n5JnYifipXTopX3ZmBw==
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

2026-09-17T11:42:12.100425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027994
observed cf5c6e1176008648d4a1e6f7c99c6858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.080575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027994/manifest.json
observed 85d1c61e46b19985f003c4a4b5547bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.061707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027994/publication.md
observed 10a30f2181f5b09f61cb3814f1cf0e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:12.045584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027994/publication.txt
observed 7f04670434895960229cf06ba337b412...
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.