OpenTechnical

OT-2026-000053818

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000053818) never changes.

Identity and time

Publication numberOT-2026-000053818 · never reused
Internal UUID01a0ae85-735d-75b1-94f5-953f95526789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053818
StatusPUBLIC

Content hashes

Canonical text7552ca4db0d400d030b77259cbb7132be04b9d96f51cbb0bc2fcef3f7b5447a6
Markdown4dfd6b30fb5eb1cef664c83e3563eadf7cf90bb14eb23f371198cb2668ce0602
PDF
Publication page79b25ce094cdf230156ea5504823d559b180be5f3ab80c09e6965be51fc0721d
Manifest3325b0c357965bf68fde6f70b67a64eb1b884a94bf584b41e0fc1cd960a0171a

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
Signature3lxEdksgAM+xevV4EoGyChyhlL2t13iEwuLorspikrbJHftx8Wsj8ni+cJzwrtRaeTwryuh1e/k/IxV/wNpOAw==
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

2026-09-17T08:40:33.476555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053818
observed 79b25ce094cdf230156ea5504823d559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.331075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053818/manifest.json
observed 3325b0c357965bf68fde6f70b67a64eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.315133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053818/publication.md
observed 4dfd6b30fb5eb1cef664c83e3563eadf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.296395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053818/publication.txt
observed 7552ca4db0d400d030b77259cbb7132b...
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.