OpenTechnical

OT-2026-000049144

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000049144) never changes.

Identity and time

Publication numberOT-2026-000049144 · never reused
Internal UUID01a0ae81-134e-749f-a065-eb0accd171df · 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-2026-000049144
StatusPUBLIC

Content hashes

Canonical textd7811493f7b89142e250b0c22f411046105ed3ba549d17bc602be2733650e405
Markdownae2cc8d21a7e67efe937b6d0daceb98fe3fd09429da976871ee20952b214eac8
PDF
Publication page6e0380df20796eb1166511d9002f105fd62bb3b98d74bbb59edf121818964f3e
Manifest778bd52eb5e0d2b1106698bdea16a03276e5165330bac4bd36bf1420169acc40

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
SignaturepU5x+L3ziVxAE6ARPevmjzNFEljqhpvFzfCa7GKtxzI+Y1IPijsdt4u5vtmsNsOLS1/zZt8Ns4PxNzwm0BLbBw==
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

2026-09-17T11:03:24.990468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049144
observed 6e0380df20796eb1166511d9002f105f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.971536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049144/manifest.json
observed 778bd52eb5e0d2b1106698bdea16a032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.952126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049144/publication.md
observed ae2cc8d21a7e67efe937b6d0daceb98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.930870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049144/publication.txt
observed d7811493f7b89142e250b0c22f411046...
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.