OpenTechnical

OT-2026-000044160

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000044160) never changes.

Identity and time

Publication numberOT-2026-000044160 · never reused
Internal UUID01a0ae7b-d67b-7059-9f3e-b826edd6a96a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044160
StatusPUBLIC

Content hashes

Canonical text1ab9b410e5b9f70169f56f55e8748a4c1f4ac5d4ea584300aa4c473c7caa32c6
Markdown5a84b62c08abc2f6c8649f7c2ee1446724477d4d4189873843a25d218206dda4
PDF
Publication pagef72a44ba62d239d6f8f94af2d0d582908308fe05d8de972651ce895ec4f4b244
Manifest81d51e707c06e7d07eb16c0a564ab5bf2561c1447c47a1b0d0186bcb1487e0cc

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
SignaturelnVCgxbx/qedDRjHNfcEuE/ZJgKQMpetIm0xYU20B2bziViAe/YzylrzexH6cwryrBpIsObDjfeCPJ8fKXUpAQ==
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

2026-09-17T11:12:35.275755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044160
observed f72a44ba62d239d6f8f94af2d0d58290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.255927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044160/manifest.json
observed 81d51e707c06e7d07eb16c0a564ab5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.237968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044160/publication.md
observed 5a84b62c08abc2f6c8649f7c2ee14467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.217181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044160/publication.txt
observed 1ab9b410e5b9f70169f56f55e8748a4c...
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.