OpenTechnical

OT-2026-000022933

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off before set-down

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-2026-000022933) never changes.

Identity and time

Publication numberOT-2026-000022933 · never reused
Internal UUID01a0ae70-46eb-7583-b2f9-10ffbe268a63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022933
StatusPUBLIC

Content hashes

Canonical text913751d73ff856ec956c29f1ce5ceda734ecfbb70d3a424afdbec33585aceadb
Markdown1575e6e45e891b0284ee8a54df831ea2ab0dcc7914781844f550ff3734b70b3a
PDF
Publication page5d4acb9da235beb3ca15509b41761f5c1acaf9a1ebcf712e08b27a731376fd90
Manifestea88ccb80da6ac9945405c57129f40630fb701412fd90de5489ed489875578b8

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
Signature2lYVc4Jrvuu+AWrkPzCAD87dcCUguQRnSsByRWK3OzVid43kahYs11opemt5O5EM+bpaGbfvIamFA0e/IhLvBw==
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

2026-09-25T20:41:29.534399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022933
observed 5d4acb9da235beb3ca15509b41761f5c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:29.474675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022933/manifest.json
observed ea88ccb80da6ac9945405c57129f4063...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:29.422554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022933/publication.md
observed 1575e6e45e891b0284ee8a54df831ea2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T20:41:29.339760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022933/publication.txt
observed 913751d73ff856ec956c29f1ce5ceda7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T04:23:33.052957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022933
observed 5d4acb9da235beb3ca15509b41761f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:33.033194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022933/manifest.json
observed ea88ccb80da6ac9945405c57129f4063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:33.014177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022933/publication.md
observed 1575e6e45e891b0284ee8a54df831ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-25T04:23:32.985127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022933/publication.txt
observed 913751d73ff856ec956c29f1ce5ceda7...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent