OpenTechnical

OT-2026-000080144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000080144) never changes.

Identity and time

Publication numberOT-2026-000080144 · never reused
Internal UUID01a0ae96-4378-7779-a515-db3448231acb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080144
StatusPUBLIC

Content hashes

Canonical text4a495f897322832c0cd1ace0aa70ac3b5636a34085293af6d9fdefcab9676de8
Markdown434366101b4916ec66b311ea76d05c24ef2a03f51fdf19f0e853b5eb8c84e846
PDF
Publication page94cecc2a1263e87deb3469df7995cb3dc11831110a2ab682497a880b0cca8ff6
Manifest976ace4f3143e495c644293b4b3cff753d626c447e04387a974494efec3d8d6a

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
Signatureb/mID2lwi0qBQBLCjwx69lUYCio51/9TbW8/cdD4WwBHaDvjvtpTl+l9Vd3CpVUDAA02fuD5RAI3wsfroB+vBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:06.009380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080144
observed 94cecc2a1263e87deb3469df7995cb3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.986624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080144/manifest.json
observed 976ace4f3143e495c644293b4b3cff75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.967064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080144/publication.md
observed 434366101b4916ec66b311ea76d05c24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:05.530559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080144/publication.txt
observed 4a495f897322832c0cd1ace0aa70ac3b...
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.