OpenTechnical

OT-2026-000054470

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000054470) never changes.

Identity and time

Publication numberOT-2026-000054470 · never reused
Internal UUID01a0ae86-1282-7a33-aab0-4a3d5212cb88 · 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-2026-000054470
StatusPUBLIC

Content hashes

Canonical text6c23c6cf5adb6988dc0052e46f0cbd74b28e4a1c4243214fb2899154ab0d1d5e
Markdownb9870c337776c58cd26d841ea9f9ff8933524f1f1f1733a5460cf5a1ab740cf1
PDF
Publication pagee4d202caf45ae2f718b82684920de464be1815bed3eebe6cff63f70e4b48c87c
Manifest0e5ca08d86a298f698968a8725794d3ecc6a860970ec25351fa285fd63a31c6f

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
SignatureRhhoLmZYRbPrIYeiYxdcFXT17fcRqxvv9FQzW4iKwZtkH/e2wsgOwaHhryqkCQBXTFp8WvrxvVPdPRSrnMcEBQ==
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

2026-09-17T10:53:27.882473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054470
observed e4d202caf45ae2f718b82684920de464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.865863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054470/manifest.json
observed 0e5ca08d86a298f698968a8725794d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.847977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054470/publication.md
observed b9870c337776c58cd26d841ea9f9ff89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.829144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054470/publication.txt
observed 6c23c6cf5adb6988dc0052e46f0cbd74...
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.