OpenTechnical

OT-2026-000056678

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056678) never changes.

Identity and time

Publication numberOT-2026-000056678 · never reused
Internal UUID01a0ae87-7af6-7686-a0ce-24cbe3adba03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056678
StatusPUBLIC

Content hashes

Canonical text1a5ba8886f14bc02605d507778abc7121638b503e3d58f92b07306a0c5d1fc4f
Markdownd73ee558154aee973954d5890c31bd2a6d5fc39d73457acf780b8ab9b0e5a63c
PDF
Publication pagec4baa4c783d3caadc3ece75e33107b59c4fe345bb4dbaa0c7f8d996b0778ee24
Manifest17268c726d6cfd9654b7f4752a0d3a7c5172988078bc4cd2504ce6f3abd02f50

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
Signature9y7Gq05lnkX78VsB/1ao20QuxwyIDfcr2uVOPhs5DxHp87teroGRmNWIl2tkV9zue4bgWXH7fLvWJWg/OhJTAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:04.176774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056678
observed c4baa4c783d3caadc3ece75e33107b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.157875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056678/manifest.json
observed 17268c726d6cfd9654b7f4752a0d3a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.141359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056678/publication.md
observed d73ee558154aee973954d5890c31bd2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.123509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056678/publication.txt
observed 1a5ba8886f14bc02605d507778abc712...
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.