OpenTechnical

OT-2026-000056112

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, sustained blow-off 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-2026-000056112) never changes.

Identity and time

Publication numberOT-2026-000056112 · never reused
Internal UUID01a0ae87-0a4b-7986-befd-c51c1fec9795 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056112
StatusPUBLIC

Content hashes

Canonical text18b303cc1451c8ba1d0705ab2b8c5e867aadf58066ba2449eda085a56893739a
Markdown5b60d226633abd3ca765cb1d4988c92a68e379f0df6609cb720a24a9403a4c36
PDF
Publication pageae44bfe48966045a985e1de2276c7c6355c12f88bc6ce13621cc2f3db1f7a4be
Manifestd70a8942423a9b800a406ad36efb92b1144d4fada33ef62304c13540ea374574

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
Signature60En1lQ3tY0J8pRTD2b7WP1KTZZA+h35gpDIa6ihiXJOM71J3sU1m3w05HJW8pbfWRC6ckKRtyaNdDYRvqtMCg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:39.297544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056112
observed ae44bfe48966045a985e1de2276c7c63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:39.279512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056112/manifest.json
observed d70a8942423a9b800a406ad36efb92b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:39.260369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056112/publication.md
observed 5b60d226633abd3ca765cb1d4988c92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:39.241544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056112/publication.txt
observed 18b303cc1451c8ba1d0705ab2b8c5e86...
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.