OpenTechnical

OT-2026-000049209

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000049209) never changes.

Identity and time

Publication numberOT-2026-000049209 · never reused
Internal UUID01a0ae81-134f-7e2d-9cf3-5fda634fc048 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049209
StatusPUBLIC

Content hashes

Canonical text79d07157558a865b6268a263d8f7921b343a9425b621e89b3253d9c93b09de4b
Markdowna5dd6ba79eec1a509e4d1e9974714e9a4fe14e77dc2030192f9b1eca32b0a105
PDF
Publication pagec51a1b0b7b6f2b83bde0056c780758006095c8bfe89195c7e6ca736ba59c05e1
Manifestc06e3c5674d30a681611370f1fdda2d3df0befecd55aebed2f73f56b3c4b2e62

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
Signature0P3ztX3Y1K9HXbM8xHCS+2OtO2OmbLWt8uLrAzLMq9fAj/fVKTuvadRFnirIlGTOkpO4bfSLBxMv7EZPD0/4CQ==
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

2026-09-17T11:04:01.496027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049209
observed c51a1b0b7b6f2b83bde0056c78075800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.477841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049209/manifest.json
observed c06e3c5674d30a681611370f1fdda2d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.458140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049209/publication.md
observed a5dd6ba79eec1a509e4d1e9974714e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.439880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049209/publication.txt
observed 79d07157558a865b6268a263d8f7921b...
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.