OpenTechnical

OT-2026-000032753

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000032753) never changes.

Identity and time

Publication numberOT-2026-000032753 · never reused
Internal UUID01a0ae75-1071-7fdd-bbc2-75b7faa139b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032753
StatusPUBLIC

Content hashes

Canonical text5a9fae6c0c8fc12eccdadc0fcb799f088a013d9ac7a2e0131b877e216f0c3103
Markdown89094fb0bd9c49f7ba5b5064c4301efba401ecec0a667e79616c0c15f7dad460
PDF
Publication page5decd7ca63b1309475b5c3d701d4087db1e3bf25ce80ff2c28960c7fe1ce00c4
Manifest68b1b254dea3a65071e739f9f31416d2cf4827914dd276d8531af2ea83ab498d

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
Signaturee8i8BbNd7sqNOgcERaHCPulriu14Wo58+Eekc1Im+YjldZtGOxv67XqYUhMh2PYrhoFaG8KUO6NF9UHGUqeNDA==
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

2026-09-17T11:34:22.743976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032753
observed 5decd7ca63b1309475b5c3d701d4087d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.726407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032753/manifest.json
observed 68b1b254dea3a65071e739f9f31416d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.707159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032753/publication.md
observed 89094fb0bd9c49f7ba5b5064c4301efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:22.687597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032753/publication.txt
observed 5a9fae6c0c8fc12eccdadc0fcb799f08...
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.