OpenTechnical

OT-2026-000031739

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed 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-2026-000031739) never changes.

Identity and time

Publication numberOT-2026-000031739 · never reused
Internal UUID01a0ae74-bad0-70e4-bc0b-da99c51b7c0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031739
StatusPUBLIC

Content hashes

Canonical text6853d996847625afde413aed319b362ed2d8ac954e0f90c4d0f5a184cc5052bc
Markdown67a40beb7fe8713b47bd326062d64dc4cab4058d2cc98acb0bf47cc3d6cf8eb1
PDF
Publication pageeae7c50d431e946c2af0bcf2594a9b91628b6a61844ae5fc2f5daceee0e98a12
Manifestc618f6f1e4a0b7120c16647b50c32131958e987cd50f07cb23253179c17ca73b

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
SignatureCjS2rSqc4TK+yGI1vqzYL9JtcolsAfBpdB7mqcry2S8rVyMfPC1Ws67m41LHIFQpC+ajw2a0+I4hGTSlCxh5Aw==
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

2026-09-17T11:34:51.302694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031739
observed eae7c50d431e946c2af0bcf2594a9b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.284150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031739/manifest.json
observed c618f6f1e4a0b7120c16647b50c32131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.263616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031739/publication.md
observed 67a40beb7fe8713b47bd326062d64dc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.245387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031739/publication.txt
observed 6853d996847625afde413aed319b362e...
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.