OpenTechnical

OT-2026-000089707

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000089707) never changes.

Identity and time

Publication numberOT-2026-000089707 · never reused
Internal UUID01a0ae9c-1a22-76d1-8197-58c7f5b76509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089707
StatusPUBLIC

Content hashes

Canonical text92b2683ccca7342b861ef964c9577f2706f0d8832486c388d3e65e6dc3ac31b5
Markdown3a45d60660c22b1530bc9f98ad7f03cde51dac8861af3617718a8bdbe9acfb1b
PDF
Publication pagedf6c9c0481a541fa035e4fe3fb7af687e495ba60a5746b7624926cd4ac547da0
Manifest873a958b62e361f72907c5a10ecf200df0f10a2aa9416d13a711cc3a9a194fc8

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
SignatureWjk689g5FGS+mrXYlJ1nF7O/fw9q2ce7a+K3jVXPXRmvU5Ak++TB4rKdjxvTy68xKQpWET06q5q1DZ6vSRTxBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:42.535306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089707
observed df6c9c0481a541fa035e4fe3fb7af687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.518566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089707/manifest.json
observed 873a958b62e361f72907c5a10ecf200d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.500707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089707/publication.md
observed 3a45d60660c22b1530bc9f98ad7f03cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.481214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089707/publication.txt
observed 92b2683ccca7342b861ef964c9577f27...
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.