OpenTechnical

OT-2026-000028124

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000028124) never changes.

Identity and time

Publication numberOT-2026-000028124 · never reused
Internal UUID01a0ae72-a520-78c1-af72-4da676557184 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028124
StatusPUBLIC

Content hashes

Canonical text32eb71cd732dbe318a02bb9e8f8d30ff2542d829e2cea10e24903b73df05fd0b
Markdowncc4e39dd45b1e9fd126be04cb3e7e559c5c62c205338cb42c3ee288637aa0ab3
PDF
Publication page569f4f399c6dbd46c61cb0b6cb792c2ba7f1b2dfcd926f693678d9d5a9438ae3
Manifest5afcb0fa73bd4105af73c6a0b0dcde3eb033736ff1d5eb5dda9836c59921f9cd

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
Signaturezq5GmTBKBBef6Z41e4HeeDLEXNwokC+nwWqx2p0RUmh/JpcSfSAl00yZhW8VpPtibY4f2opkzEOGP9sEUsxBAQ==
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

2026-09-17T11:42:28.415350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028124
observed 569f4f399c6dbd46c61cb0b6cb792c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:28.398159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028124/manifest.json
observed 5afcb0fa73bd4105af73c6a0b0dcde3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:28.381736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028124/publication.md
observed cc4e39dd45b1e9fd126be04cb3e7e559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:28.364361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028124/publication.txt
observed 32eb71cd732dbe318a02bb9e8f8d30ff...
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.