OpenTechnical

OT-2026-000080757

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000080757) never changes.

Identity and time

Publication numberOT-2026-000080757 · never reused
Internal UUID01a0ae96-b974-7676-96fd-2b37173f6797 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080757
StatusPUBLIC

Content hashes

Canonical textd4d249809ab61b27bde926df57a069d4bd26d495982ea3deb102d7ec846a26d1
Markdown6613ae706ddd26227a1e971608f406359257d2937f12948e94e4eebfe2e10800
PDF
Publication pagea2492c4d3061024423aa74331cdadc858d3a414b355d73f2f9cb342adaa8d8b9
Manifest1414c6d7dc3c495d1f948e82b08bb9681709b0499018832284cb27a85d5e1707

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
SignatureUckLMQSeYt8FgjlDZMEOUfpb7j74J5a0n1R2bAM6R0TIH0xE5JdyGRlnW1aGR/nk81AwzYEY7FKJbZN2tq+hDg==
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

2026-09-17T10:01:55.237835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080757
observed a2492c4d3061024423aa74331cdadc85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.220908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080757/manifest.json
observed 1414c6d7dc3c495d1f948e82b08bb968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.204336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080757/publication.md
observed 6613ae706ddd26227a1e971608f40635...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:55.185013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080757/publication.txt
observed d4d249809ab61b27bde926df57a069d4...
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.