OpenTechnical

OT-2026-000019664

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000019664) never changes.

Identity and time

Publication numberOT-2026-000019664 · never reused
Internal UUID01a0ae6f-1fb3-716a-87f1-c88f77d1925c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019664
StatusPUBLIC

Content hashes

Canonical textc881a88be9b7e90ee060c7529bc33c7da119c7dcd14d9f2fcde092ac065006b3
Markdown7e0bab92af6da8d4dcf4fd051e63acc62a10d33385512da148b2db053173a8f0
PDF
Publication page06fc878eaf2202ea8adae0e762a84f3f413cc1da3e243cd7e27d1fb335f8000e
Manifest82c60254825514f60237cf7f30aef2683a7722b6bf0c2423ebcc51b65ab13f33

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
Signaturenf9ffcLohUui9tWNZYPb2zNx3vZj2wIQ8rOHTT71amauPGk5N6AkzgjB8DZYEusO8XRKxsZBTJK94rpFwIVnCA==
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

2026-09-17T11:57:43.871682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019664
observed 06fc878eaf2202ea8adae0e762a84f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.855977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019664/manifest.json
observed 82c60254825514f60237cf7f30aef268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.838187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019664/publication.md
observed 7e0bab92af6da8d4dcf4fd051e63acc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.820654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019664/publication.txt
observed c881a88be9b7e90ee060c7529bc33c7d...
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.