OpenTechnical

OT-2026-000061950

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061950) never changes.

Identity and time

Publication numberOT-2026-000061950 · never reused
Internal UUID01a0ae8b-b8ad-702c-a474-32fde1354111 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061950
StatusPUBLIC

Content hashes

Canonical textfb21ed2a15d7e0e2b77ea6101d9721520636b095dbea467a73f410c634d29d1e
Markdown8f467a4ae56f626680d70fe9cfb90b5a64262de7f5ec53beb52f7e150bf831c6
PDF
Publication page8f5d10ed86f9b655e3f2ab5e7a00f42ff7fff994a27063b845eb31b96be7bffe
Manifest4c24ed95801e765dfad90f6787ca4a7114cc7b00f0a57b619f05c311514cd6f5

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
SignatureUUzWVEP09BTgxEa264p1OkoAeYJX9PFwV17zLM7FasbgADCZ8fkQT+e2iRaSVO65liNznxc87NeuipwNj09WAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:51.127404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061950
observed 8f5d10ed86f9b655e3f2ab5e7a00f42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.102389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061950/manifest.json
observed 4c24ed95801e765dfad90f6787ca4a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.076191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061950/publication.md
observed 8f467a4ae56f626680d70fe9cfb90b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:51.032193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061950/publication.txt
observed fb21ed2a15d7e0e2b77ea6101d972152...
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.