OpenTechnical

OT-2026-000026650

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000026650) never changes.

Identity and time

Publication numberOT-2026-000026650 · never reused
Internal UUID01a0ae71-f4aa-7a7a-a936-f75306e8cebc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026650
StatusPUBLIC

Content hashes

Canonical textfa5e53d46652851e50131b8d47dad3c8bbdfe128bd73c71b369530d65d4658ec
Markdownde58278aa3f05ca80140690e957c068b45a7c6bb5d4ec3cfd5b344cf1078dd1d
PDF
Publication page7eb6fa593a0863570483edcb1e4d6a01913b4985aca6edad67ece4ea4b1e3281
Manifest4272d31cd7ff83a13d05d3091b4364af04110893fec1195a824509cf098ae9f8

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
SignaturedeVx9taxVj8KBpL7CM8cyhwNIusQbMgzfNm/RuVuEakXl2XXshU3/c+5d1rTJ2ukhql6rqz+SK6u+JUFxpGDAA==
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

2026-09-17T11:45:43.801466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026650
observed 7eb6fa593a0863570483edcb1e4d6a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.785586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026650/manifest.json
observed 4272d31cd7ff83a13d05d3091b4364af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.767660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026650/publication.md
observed de58278aa3f05ca80140690e957c068b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:43.747811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026650/publication.txt
observed fa5e53d46652851e50131b8d47dad3c8...
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.