OpenTechnical

OT-2026-000026624

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000026624) never changes.

Identity and time

Publication numberOT-2026-000026624 · never reused
Internal UUID01a0ae71-f4aa-79f6-a81a-a895b470fd4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026624
StatusPUBLIC

Content hashes

Canonical text4fb03da72b44491c57762ee9dd9d370b388827c21aadf31a256dcf497a70ae82
Markdown3abf4100d026a29759b4fee51086c3d473b1e5d7b6c523eab2adbafee5a642de
PDF
Publication page3e1efc4ac928c1b5c9ac7bcf197ff83e8815ead4163802c76cbf0eb9c700b063
Manifest1877111045c07cf459e8201ba1be3dfd48f94d6e53fef1c3b9a3f665c587aaed

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
Signature5FMuAbt/T8xlnepWoDokChLrEr+WFeC3iAciFdk4YowrRPoagR5FTQfXSjgHhI68QfUmPBEq0+xVqgktkWy2AQ==
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

2026-09-17T11:45:41.941962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026624
observed 3e1efc4ac928c1b5c9ac7bcf197ff83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.917934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026624/manifest.json
observed 1877111045c07cf459e8201ba1be3dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.895981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026624/publication.md
observed 3abf4100d026a29759b4fee51086c3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:41.872770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026624/publication.txt
observed 4fb03da72b44491c57762ee9dd9d370b...
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.