OpenTechnical

OT-2026-000020857

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000020857) never changes.

Identity and time

Publication numberOT-2026-000020857 · never reused
Internal UUID01a0ae6f-65e3-74ac-8b67-62c80e41e511 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020857
StatusPUBLIC

Content hashes

Canonical textd251c02804a81dbc87e355975e0d85c2478ebfa1b867e72f905c0a9c5ff76dfa
Markdowned463e39e9b8ddfad3c03484c27b8f685186488b627c0139c0262f1c051781da
PDF
Publication page062e87ce53b59bcb334d510cf219ae6e34f2835c8c19561a8ed1fcbacf386176
Manifestd37c922a249e1b970325b0730564c1dcf692c823a97ff38cc1fbbd809a054461

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
Signature0Mp0jQdmRbH/J4m5VzmJEMFMh0JYbu9xeOv4B8Q5T/NXT5skGcVWMllVuGJoDL6+Lq+NWVZLhu4ldGIoPx/mAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:55:57.477616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020857
observed 062e87ce53b59bcb334d510cf219ae6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.457257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020857/manifest.json
observed d37c922a249e1b970325b0730564c1dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.439139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020857/publication.md
observed ed463e39e9b8ddfad3c03484c27b8f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:57.419204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020857/publication.txt
observed d251c02804a81dbc87e355975e0d85c2...
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.