OpenTechnical

OT-2026-000071443

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000071443) never changes.

Identity and time

Publication numberOT-2026-000071443 · never reused
Internal UUID01a0ae91-e0ed-7f3b-8b42-672064344740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071443
StatusPUBLIC

Content hashes

Canonical text65e82e927bbd12dc05d1f42606ac60eba1afae26ba5212e135501eb2589ae23e
Markdowncb3c543c835a1615b03427dae9e08082c7df1becbd445305c8e33671a6f12daf
PDF
Publication pagefd2c46bd71a2aebe2b4017052a29ca189dfaa512f3fbec8b069d5181f1982203
Manifest256f7a102ac3f24301e942736af544a64c0d3c0019276a5e01744180a193d2b0

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
SignatureznROjYbOuWl93PZH7nFuaYOEbB0P6NIME12eIISCkvj7c6ahR0RIyChei9nAMOv7B2Vpegsn7TMrT0Tj6EaPDg==
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

2026-09-17T10:25:04.971821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071443
observed fd2c46bd71a2aebe2b4017052a29ca18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.951844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071443/manifest.json
observed 256f7a102ac3f24301e942736af544a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.935106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071443/publication.md
observed cb3c543c835a1615b03427dae9e08082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:04.917018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071443/publication.txt
observed 65e82e927bbd12dc05d1f42606ac60eb...
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.