OpenTechnical

OT-2026-000080050

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000080050) never changes.

Identity and time

Publication numberOT-2026-000080050 · never reused
Internal UUID01a0ae96-4377-718d-a007-e5e899bdde1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080050
StatusPUBLIC

Content hashes

Canonical text01d99656f2500a1ec9a8d335a39ad3aa04629a0031380e34abbadff142ac5996
Markdown4165f974a5eff72192d29168083751cacba7c1dfc8c44ee41a588c7bb7d9cd18
PDF
Publication page8fb667d04374dbaf3e3329bf79d4218c0eaf0cf67be02616eff67fe2f0e0fd4e
Manifest279e04cebc13f3e9e6098e19dae9eac111a25785e3b30151bb27fcd2aa346865

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
SignatureXmjEwctGmg1JvAmg/LlTf99zHOwGoDEcYSQDIC/+EUFetRKCjo7ZubavVRa8WK01Qq1QZR/1piSy3VG9DZEiDQ==
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

2026-09-17T10:03:58.753113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080050
observed 8fb667d04374dbaf3e3329bf79d4218c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.733780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080050/manifest.json
observed 279e04cebc13f3e9e6098e19dae9eac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.715584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080050/publication.md
observed 4165f974a5eff72192d29168083751ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.695045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080050/publication.txt
observed 01d99656f2500a1ec9a8d335a39ad3aa...
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.