OpenTechnical

OT-2026-000060714

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000060714) never changes.

Identity and time

Publication numberOT-2026-000060714 · never reused
Internal UUID01a0ae8a-b7ce-7d3e-904d-ca6488ceb722 · 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-2026-000060714
StatusPUBLIC

Content hashes

Canonical textf5883d518fe2f4fbae0661138a233bcf656becf4d09b18506dbe379c34140d97
Markdowna151d9621be7cd2d7a8e2025fbdbe72826f5064ea7e0e681ecdf372d92fa217f
PDF
Publication pageadab150e917dd3858d07a59b2e57d874141f408b269207a1991547648e4679e1
Manifestf402921c8ccb83ae7de090707052c289083d37565a2df1c2ba8907a9864302fa

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
Signature6Stt+1hhZ28YQOSbUJrQmI33YHPlG+9SxXjHZwxEq38xNGooIkW51HdOYLRkOhH/tov+4o5Lf35gS/FPYkBEDg==
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

2026-09-17T10:43:21.839161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060714
observed adab150e917dd3858d07a59b2e57d874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.822625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060714/manifest.json
observed f402921c8ccb83ae7de090707052c289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.805224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060714/publication.md
observed a151d9621be7cd2d7a8e2025fbdbe728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:21.787336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060714/publication.txt
observed f5883d518fe2f4fbae0661138a233bcf...
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.