OpenTechnical

OT-2026-000091118

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000091118) never changes.

Identity and time

Publication numberOT-2026-000091118 · never reused
Internal UUID01a0ae9c-f16b-7e66-b34f-bc9778b5ec0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091118
StatusPUBLIC

Content hashes

Canonical text6d7b264d7664b57512586609af9ee82d4383ecbd7169eeabffcaf5cb7094e913
Markdownecaec1d0e52e60c6475f63afbb88544feff390f164df6681148724c66a48dac3
PDF
Publication page09b695e4e168ee80da4d6aa450ee766caa210df68a13b63c6418bf8cb1dcbbd8
Manifest90dd55478d57140e48a6acc782214dd9fba3e61a696a3a7cf9fb2926f1796a1c

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
SignatureS6x6xRVV91PdCV2uggvYqt+QNXzQ21hb1w6Jwtn4b1r8DpgkTgzkvHQl9RtTU9lfRr40R9jIa4X0G9HTZALOBw==
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

2026-09-17T09:43:16.294610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091118
observed 09b695e4e168ee80da4d6aa450ee766c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.276444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091118/manifest.json
observed 90dd55478d57140e48a6acc782214dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.258453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091118/publication.md
observed ecaec1d0e52e60c6475f63afbb88544f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:16.240832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091118/publication.txt
observed 6d7b264d7664b57512586609af9ee82d...
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.