OpenTechnical

OT-2026-000068368

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000068368) never changes.

Identity and time

Publication numberOT-2026-000068368 · never reused
Internal UUID01a0ae90-2480-7835-836a-b1d5d6064e45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068368
StatusPUBLIC

Content hashes

Canonical text1baa3136ab11c0615a98a55d127d4dd41c1f8a5bf8d5ba2133323a7686503c27
Markdown06fc85f18f407cc6b4208ada90da54d6f28ada07cac7b74ec8215b884e784125
PDF
Publication page3d9688b218002ce47c5e33bbbee35688e11ead7207ccab8cd1bea312c673197f
Manifeste557646bc9cf2217b94764134529109e306bd9ab7224165514b158e657080d90

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
Signaturez2mFn03tJTQAZdpAFQJQRom329ZwAyIMjPt67hz4EhvPx5hRLUNhfA1X8TO2fwibThze5BL/C9fTYc6bXW8+Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:25.137276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068368
observed 3d9688b218002ce47c5e33bbbee35688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.119301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068368/manifest.json
observed e557646bc9cf2217b94764134529109e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.100900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068368/publication.md
observed 06fc85f18f407cc6b4208ada90da54d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.082976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068368/publication.txt
observed 1baa3136ab11c0615a98a55d127d4dd4...
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.