OpenTechnical

OT-2026-000044200

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000044200) never changes.

Identity and time

Publication numberOT-2026-000044200 · never reused
Internal UUID01a0ae7b-d67b-7670-b035-8e40e8905bf1 · 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-2026-000044200
StatusPUBLIC

Content hashes

Canonical text077e1d83ae8623fbfaf198061a5e474f38ffb736fa63360f2668a9c565070de6
Markdown7215d85d2f341daa204e138131507d4804c795605bb038906c292fff3ce75da9
PDF
Publication page94899fb8c326e896c5ac90c6f1b245ecc0e9a3f6e5fe5d22ef25cf227ec23edd
Manifestff8a3ee14ee7da563c7a8e146d98299ea1b4cc8ea0a14c5b102726024646d892

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
Signaturevkd6elEmXVNwwVes6Apn7L/yzJNN0TRyJ3nRkOKXpDiMJM4Qkj5ab+NqG+AMe6v2bhRCVaI9VcNQVYsiPMOmCg==
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

2026-09-17T11:12:45.084387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044200
observed 94899fb8c326e896c5ac90c6f1b245ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.063914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044200/manifest.json
observed ff8a3ee14ee7da563c7a8e146d98299e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.043868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044200/publication.md
observed 7215d85d2f341daa204e138131507d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.023813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044200/publication.txt
observed 077e1d83ae8623fbfaf198061a5e474f...
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.