OpenTechnical

OT-2026-000023758

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000023758) never changes.

Identity and time

Publication numberOT-2026-000023758 · never reused
Internal UUID01a0ae70-aed5-7ff8-af19-63d4ee003cd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023758
StatusPUBLIC

Content hashes

Canonical text4367d98205ff81133d6a8951b0921370ae948d8f81da6c2cbfaacf36ddb5b323
Markdown988d553f11a40f2d20a60b01822d6eb72bd0a8b84803fb20f7fef1247383076a
PDF
Publication page960842bfcce522ab87e5c5f4c3442c670605def0fe727aad6ef6b98ef7502212
Manifestea4bbf2869645d4fac21096a9dd8b1e08bb4caa533a17fe21a538ed93955847f

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
SignatureBdgp/lh5R4W9bxZYmo2U5Lva4wNPzL99Y7v2fPPS6CT7pnwbf+dKKeQRkSMNE1gGAu5i3KflbuJeN1Vpmk+6Bw==
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

2026-09-17T11:50:06.771542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023758
observed 960842bfcce522ab87e5c5f4c3442c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.754506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023758/manifest.json
observed ea4bbf2869645d4fac21096a9dd8b1e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.734262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023758/publication.md
observed 988d553f11a40f2d20a60b01822d6eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:06.713714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023758/publication.txt
observed 4367d98205ff81133d6a8951b0921370...
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.