OpenTechnical

OT-2026-000054742

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000054742) never changes.

Identity and time

Publication numberOT-2026-000054742 · never reused
Internal UUID01a0ae86-1284-710f-941e-00b45ed28b6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054742
StatusPUBLIC

Content hashes

Canonical texted9f0b649f4939707ba6a613db42a19b744ebe10e8b4844e3b0b63385918b3aa
Markdown70813addb2430b18ad08c18ec12fdc18b385b30342581c7ab6dd83de92fc1d45
PDF
Publication page8be81a5016b9666a01cbec26fa1fd70fae9b49ba453f2e3430ce8171fb7859bc
Manifest2143bbad0fff43ea1f275dcaa24ac1ce78f6b31725e3136d97d0dd55ebc7d4c7

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
SignatureKZS78EfsaD23YHHrJe8kexQrZWXbiGD5cP3q7pm6M7uO1f0Gl1N1fOm4M9+KLCMiNw9c/jenV9HK2ESMI1cYDA==
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

2026-09-17T10:53:55.662178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054742
observed 8be81a5016b9666a01cbec26fa1fd70f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.644524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054742/manifest.json
observed 2143bbad0fff43ea1f275dcaa24ac1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.627506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054742/publication.md
observed 70813addb2430b18ad08c18ec12fdc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.609344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054742/publication.txt
observed ed9f0b649f4939707ba6a613db42a19b...
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.