OpenTechnical

OT-2026-000033433

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, pulsed 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-2026-000033433) never changes.

Identity and time

Publication numberOT-2026-000033433 · never reused
Internal UUID01a0ae75-a38d-7a45-a823-93f934a899dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033433
StatusPUBLIC

Content hashes

Canonical text51d2ae25dce8f247aca0ba48f3b0d190b15242fcecfb90fe14c2a78718a0b22a
Markdownf120cb3ee19be4c8f8d844590e50d7a339099023012c4f4d6bbbf0c344e62222
PDF
Publication page369d78b2b3a23e3a689e1297755746cc6e2c56cd82715c01f50334c062b34ee2
Manifest6cf097e097766d6601f325bc81d24b93ec57891b90f6675a16400abeaaccdae8

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
Signaturev+7Z/fZcMr6UtMkH7YnpkIweIBdogkCF78Ls1dwopCYgbkJ5LsyJbVjNDiYKFBKoZu+dpctbXne9lF91DXckAw==
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

2026-10-19T12:41:30.273787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033433
observed 369d78b2b3a23e3a689e1297755746cc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:30.219256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033433/manifest.json
observed 6cf097e097766d6601f325bc81d24b93...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:30.166096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033433/publication.md
observed f120cb3ee19be4c8f8d844590e50d7a3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T12:41:30.024579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033433/publication.txt
observed 51d2ae25dce8f247aca0ba48f3b0d190...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T16:41:10.692647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033433
observed 369d78b2b3a23e3a689e1297755746cc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T16:41:10.590191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033433/manifest.json
observed 6cf097e097766d6601f325bc81d24b93...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T16:41:10.486010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033433/publication.md
observed f120cb3ee19be4c8f8d844590e50d7a3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-27T16:41:10.253920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033433/publication.txt
observed 51d2ae25dce8f247aca0ba48f3b0d190...
fetched by grabo-systems from 34.44.131.203, 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