OpenTechnical

OT-2026-000061054

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000061054) never changes.

Identity and time

Publication numberOT-2026-000061054 · never reused
Internal UUID01a0ae8b-137d-726e-b87d-5adda9fc5bad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061054
StatusPUBLIC

Content hashes

Canonical texteb45b29486802399f4ac462c1fa3be2a2ebf83f7c761df90b9421700c5e4ed51
Markdown11af7f06f8d4fe270002f9858ba223e786ab880303be721a0e88e1eac34dfd7b
PDF
Publication page40b2d8d38bd800429c7a86685f80491588a6c8ddf7c4b6c11606c8eedd1b1aa9
Manifest6d2cc93ac724489db55f6fed78e4ab646dae51b7f197640e0c94cf4d2688be4a

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
SignaturekamWQk/N1cGUTNIxWvxGVeNLkG0XN7gVvKSurT8uQ15kF0M7fR4getB8WRZkzYjowjFayjH6QDDQApDk47pIDg==
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...

Independent retrieval

2026-09-17T10:42:24.561278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061054
observed 40b2d8d38bd800429c7a86685f804915...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.543931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061054/manifest.json
observed 6d2cc93ac724489db55f6fed78e4ab64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.527606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061054/publication.md
observed 11af7f06f8d4fe270002f9858ba223e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:24.509183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061054/publication.txt
observed eb45b29486802399f4ac462c1fa3be2a...
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.