OpenTechnical

OT-2026-000054918

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000054918) never changes.

Identity and time

Publication numberOT-2026-000054918 · never reused
Internal UUID01a0ae86-5e7f-76e5-89b4-181cb1671428 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054918
StatusPUBLIC

Content hashes

Canonical textfdf3be842303ab01c765c81eaf4d2d9762f6d2a4b8a9d8ef110531ad7f2a856b
Markdown07e1ad8cde4b7de2d29c757d2e8bc3180571964bff2284cacb2aa1e3793e8458
PDF
Publication page9ec306f4e941c436b4a676fa6c906a6f2a10ce75be507f0d8adcd00ab6ba4304
Manifest0fcda3c77ee3ee5cd0261965ae157330d69c3b78fa63b69a548a667313a0bf37

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
SignaturepaJSp6nnaWXTgYj4MGYK39jR2H2Cundoa0m7j9Kc69NfIwKYczOYGM/q78UWUt2fSBWPfLTeh/GyxL9brRmcAA==
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

2026-09-17T10:53:01.119189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054918
observed 9ec306f4e941c436b4a676fa6c906a6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.102491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054918/manifest.json
observed 0fcda3c77ee3ee5cd0261965ae157330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.085023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054918/publication.md
observed 07e1ad8cde4b7de2d29c757d2e8bc318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.067016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054918/publication.txt
observed fdf3be842303ab01c765c81eaf4d2d97...
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.