OpenTechnical

OT-2026-000060705

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000060705) never changes.

Identity and time

Publication numberOT-2026-000060705 · never reused
Internal UUID01a0ae8a-b7ce-7ef1-b489-08d9985a0556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060705
StatusPUBLIC

Content hashes

Canonical textb25ec8e5c7350364eaa1c73f66e6c11bf902a37231e5868b99b0a608599546df
Markdowna04f8494c0ae30127f18674569857a6de7cc2d12f149bc6c23a3a0f8b10cfc24
PDF
Publication pageeafc32f0f3742cad7f0d06097af8fde65923fb43e61be84afa127252f6d24d68
Manifestf8f0d610896698e0a891f20c3fd1b7ae7d550748881f2d4dadf98c746c1b0a3f

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
SignatureISEzfzzdRgiTkwRgew8ibAs7axv+ZEiHkt5up6MIP7YoN9uVBPEkdqZOMZZnU0/URTTVVHDGH9Tbq7wZtZGnAg==
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

2026-09-17T10:43:21.197872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060705
observed eafc32f0f3742cad7f0d06097af8fde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.179976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060705/manifest.json
observed f8f0d610896698e0a891f20c3fd1b7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.162405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060705/publication.md
observed a04f8494c0ae30127f18674569857a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.144434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060705/publication.txt
observed b25ec8e5c7350364eaa1c73f66e6c11b...
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.