OpenTechnical

OT-2026-000062074

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000062074) never changes.

Identity and time

Publication numberOT-2026-000062074 · never reused
Internal UUID01a0ae8b-b8b0-7eb3-b2cd-6c5769a62a3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062074
StatusPUBLIC

Content hashes

Canonical text6928c89a957a05d8f5b367eb385c4ecd1377daa779a71a8047586b99d32b8aab
Markdownffb988cda90f327fc5d21418c97091dd58554a1e85b7ce4c191bb91e6a02eec2
PDF
Publication pagee62f27b8048fd9ef16a9c0d588a8b87587c9d94a17799850fdb6440511a91fa3
Manifest996f8d8401f77b32945025e52671810b6abdcba294e5a34c1cca7602167096e2

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
Signature27Iv0zHFHEP59wCjE0yjfx1PpvSjSbZ79iiSaMYSmIXV+l1tR5d48W/NkhLzARyapfp8gHSUUiR2S/VH/pq0Ag==
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

2026-09-17T10:41:07.443862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062074
observed e62f27b8048fd9ef16a9c0d588a8b875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.425731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062074/manifest.json
observed 996f8d8401f77b32945025e52671810b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.405941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062074/publication.md
observed ffb988cda90f327fc5d21418c97091dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:07.385902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062074/publication.txt
observed 6928c89a957a05d8f5b367eb385c4ecd...
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.