OpenTechnical

OT-2026-000049342

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000049342) never changes.

Identity and time

Publication numberOT-2026-000049342 · never reused
Internal UUID01a0ae81-1350-71b3-9408-f6919d7d29de · 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-2026-000049342
StatusPUBLIC

Content hashes

Canonical textcd7abe80b7bf05fed098e2ec05482db18441024ac698a57e3a927f2fc2824d0a
Markdown41416b832b4898436cfc5ee33680e6e0eafa5dfbfd1556057d0614d89992f9d9
PDF
Publication page3f24e6658d75e2881f439cb6b33b15f47f3280af159a237b741e919c78409529
Manifest189733d31e35f4b6ed53e9008958341ee45ad91300a001e07b8c3a4780768422

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
SignatureV5ca9DudVAkwn2oN/5sPIkAiTThcXCxuqpJomUcoT7ftBZ9SJy7jzSs4SBDuDFNarTNWS7XtY6kcUbZqTNlqBQ==
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

2026-09-17T11:04:13.442205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049342
observed 3f24e6658d75e2881f439cb6b33b15f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.423425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049342/manifest.json
observed 189733d31e35f4b6ed53e9008958341e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.402431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049342/publication.md
observed 41416b832b4898436cfc5ee33680e6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:13.383174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049342/publication.txt
observed cd7abe80b7bf05fed098e2ec05482db1...
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.