OpenTechnical

OT-2026-000022206

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000022206) never changes.

Identity and time

Publication numberOT-2026-000022206 · never reused
Internal UUID01a0ae6f-f4fc-724a-9811-bd2db49b0928 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022206
StatusPUBLIC

Content hashes

Canonical texte3d8109095ddc4d8e5e9c3164346d68f2670b4c26eb43384a21efec1919e9a02
Markdown0663bdb6af525f59d982fbd27c5cfbf41d8474334322712c8eb54df47f5f1489
PDF
Publication page5c032637f68f1595682024bdd822abba0fca642f62a8dd5d9d8a984119a0b61d
Manifest4f421bbdaa5efd17ab87b930a0548b8bd0c033bdb24cac6a5d71cbd50e1e7ccf

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
SignatureMktiMVsQW19uERFJVeqVoWX11dwxKWGUylCe+9P9wvc2GBWCl5a8To9O7PmV+CU8lD77amV8fTTminOi75tSDw==
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

2026-09-17T11:52:53.508072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022206
observed 5c032637f68f1595682024bdd822abba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.490537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022206/manifest.json
observed 4f421bbdaa5efd17ab87b930a0548b8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.471707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022206/publication.md
observed 0663bdb6af525f59d982fbd27c5cfbf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:53.453836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022206/publication.txt
observed e3d8109095ddc4d8e5e9c3164346d68f...
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.